CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 14-gon have?
A. 77
B. 83
C. 74
D. 80
Correct Answer: A
Diagonals=n(n−3)/2=77.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 13-gon have?
A. 68
B. 65
C. 71
D. 62
Correct Answer: B
Diagonals=n(n−3)/2=65.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 12-gon have?
A. 57
B. 51
C. 60
D. 54
Correct Answer: D
Diagonals=n(n−3)/2=54.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 11-gon have?
A. 47
B. 50
C. 41
D. 44
Correct Answer: D
Diagonals=n(n−3)/2=44.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 10-gon have?
A. 38
B. 32
C. 41
D. 35
Correct Answer: D
Diagonals=n(n−3)/2=35.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 9-gon have?
A. 27
B. 24
C. 30
D. 33
Correct Answer: A
Diagonals=n(n−3)/2=27.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 8-gon have?
A. 23
B. 26
C. 20
D. 17
Correct Answer: C
Diagonals=n(n−3)/2=20.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 7-gon have?
A. 17
B. 14
C. 11
D. 20
Correct Answer: B
Diagonals=n(n−3)/2=14.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 6-gon have?
A. 12
B. 9
C. 6
D. 15
Correct Answer: B
Diagonals=n(n−3)/2=9.
CSS - PMS - CCE - PCS - Mathematics
Geometry
How many diagonals does a 5-gon have?
A. 5
B. 2
C. 11
D. 8
Correct Answer: A
Diagonals=n(n−3)/2=5.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 24-gon is:
A. 20°
B. 15°
C. 10°
D. 25°
Correct Answer: B
Each exterior angle=360°/24=15°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 20-gon is:
A. 13°
B. 23°
C. 18°
D. 28°
Correct Answer: C
Each exterior angle=360°/20=18°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 18-gon is:
A. 15°
B. 25°
C. 30°
D. 20°
Correct Answer: D
Each exterior angle=360°/18=20°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 15-gon is:
A. 29°
B. 24°
C. 34°
D. 19°
Correct Answer: B
Each exterior angle=360°/15=24°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 12-gon is:
A. 40°
B. 35°
C. 30°
D. 25°
Correct Answer: C
Each exterior angle=360°/12=30°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 10-gon is:
A. 46°
B. 36°
C. 41°
D. 31°
Correct Answer: B
Each exterior angle=360°/10=36°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 9-gon is:
A. 40°
B. 45°
C. 35°
D. 50°
Correct Answer: A
Each exterior angle=360°/9=40°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 8-gon is:
A. 50°
B. 55°
C. 45°
D. 40°
Correct Answer: C
Each exterior angle=360°/8=45°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 6-gon is:
A. 60°
B. 70°
C. 65°
D. 55°
Correct Answer: A
Each exterior angle=360°/6=60°.
CSS - PMS - CCE - PCS - Mathematics
Geometry
Each exterior angle of a regular 5-gon is:
A. 77°
B. 67°
C. 72°
D. 82°
Correct Answer: C
Each exterior angle=360°/5=72°.