CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a quadrant of radius 12 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">12 cm</text></svg>
A. 108.1 cm²
B. 113.1 cm²
C. 118.1 cm²
D. 123.1 cm²
Correct Answer: B
Area fraction of πr² gives ≈113.1 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a semicircle of radius 11 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">11 cm</text></svg>
A. 195.07 cm²
B. 190.07 cm²
C. 185.07 cm²
D. 200.07 cm²
Correct Answer: B
Area fraction of πr² gives ≈190.07 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a quadrant of radius 10 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">10 cm</text></svg>
A. 83.54 cm²
B. 78.54 cm²
C. 88.54 cm²
D. 73.54 cm²
Correct Answer: B
Area fraction of πr² gives ≈78.54 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a semicircle of radius 9 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">9 cm</text></svg>
A. 127.23 cm²
B. 137.23 cm²
C. 122.23 cm²
D. 132.23 cm²
Correct Answer: A
Area fraction of πr² gives ≈127.23 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a quadrant of radius 8 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">8 cm</text></svg>
A. 55.27 cm²
B. 45.27 cm²
C. 60.27 cm²
D. 50.27 cm²
Correct Answer: D
Area fraction of πr² gives ≈50.27 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a semicircle of radius 7 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">7 cm</text></svg>
A. 71.97 cm²
B. 86.97 cm²
C. 81.97 cm²
D. 76.97 cm²
Correct Answer: D
Area fraction of πr² gives ≈76.97 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a quadrant of radius 6 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">6 cm</text></svg>
A. 38.27 cm²
B. 23.27 cm²
C. 33.27 cm²
D. 28.27 cm²
Correct Answer: D
Area fraction of πr² gives ≈28.27 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a semicircle of radius 5 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">5 cm</text></svg>
A. 39.27 cm²
B. 34.27 cm²
C. 44.27 cm²
D. 49.27 cm²
Correct Answer: A
Area fraction of πr² gives ≈39.27 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a quadrant of radius 4 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">4 cm</text></svg>
A. 17.57 cm²
B. 22.57 cm²
C. 12.57 cm²
D. 7.57 cm²
Correct Answer: C
Area fraction of πr² gives ≈12.57 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Find area of a semicircle of radius 3 cm. Use π≈3.1416.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"><circle cx="130" cy="95" r="65" fill="none" stroke="#1f2937" stroke-width="2"/><circle cx="130" cy="95" r="3" fill="#111"/><text x="137" y="91" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">O</text><line x1="130" y1="95" x2="195" y2="95" stroke="#2563eb" stroke-width="2.5"/><text x="153" y="85" style="font-family:Arial,sans-serif;font-size:13px;fill:#111;">3 cm</text></svg>
A. 24.14 cm²
B. 9.14 cm²
C. 14.14 cm²
D. 19.14 cm²
Correct Answer: C
Area fraction of πr² gives ≈14.14 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 26 cm and 12 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 150 cm²
B. 162 cm²
C. 156 cm²
D. 168 cm²
Correct Answer: C
A=½d₁d₂=156 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 24 cm and 10 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 114 cm²
B. 120 cm²
C. 132 cm²
D. 126 cm²
Correct Answer: B
A=½d₁d₂=120 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 22 cm and 8 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 94 cm²
B. 100 cm²
C. 82 cm²
D. 88 cm²
Correct Answer: D
A=½d₁d₂=88 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 20 cm and 6 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 72 cm²
B. 66 cm²
C. 60 cm²
D. 54 cm²
Correct Answer: C
A=½d₁d₂=60 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 18 cm and 16 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 156 cm²
B. 144 cm²
C. 150 cm²
D. 138 cm²
Correct Answer: B
A=½d₁d₂=144 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 16 cm and 14 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 106 cm²
B. 112 cm²
C. 118 cm²
D. 124 cm²
Correct Answer: B
A=½d₁d₂=112 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 14 cm and 12 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 90 cm²
B. 78 cm²
C. 84 cm²
D. 96 cm²
Correct Answer: C
A=½d₁d₂=84 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 12 cm and 10 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 72 cm²
B. 60 cm²
C. 54 cm²
D. 66 cm²
Correct Answer: B
A=½d₁d₂=60 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 10 cm and 8 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 34 cm²
B. 46 cm²
C. 52 cm²
D. 40 cm²
Correct Answer: D
A=½d₁d₂=40 cm².
CSS - PMS - CCE - PCS - Mathematics
Geometry
Rhombus diagonals 8 cm and 6 cm: find area.<br/><svg xmlns="http://www.w3.org/2000/svg" width="260" height="180" viewBox="0 0 260 180" role="img"></svg>
A. 24 cm²
B. 36 cm²
C. 30 cm²
D. 18 cm²
Correct Answer: A
A=½d₁d₂=24 cm².