Polygon Internal Angles
Practice and use the sum rules for the internal angles of polygons. Calculate angle sums and individual angles.
- 1.
How many sides does an octagon have?
- 2.
A five-sided figure is called a
- A.
Triangle
- B.
Nonagon
- C.
Pentagon
- D.
Pentagram
- E.
Fiveagon
Correct Answer
C. Pentagon -
- 3.
What the name given to a four-sided figure of any side length?
Correct Answer
quadrilateral - 4.
How many sides does a dodecagon have?
- A.
10
- B.
12
- C.
20
- D.
21
- E.
22
Correct Answer
B. 12 -
- 5.
This shape is a:
- A.
Hexagon
- B.
Convex hexagon
- C.
Mess
- D.
Concave hexagon
- E.
Hectare
Correct Answer
D. Concave hexagon -
- 6.
This shape is a
- A.
Nonagon
- B.
Octagon
- C.
Polyhedron
- D.
Somethingagon
- E.
Decagon
Correct Answer
A. Nonagon -
- 7.
What is the name given to this shape -
Correct Answer
heptagon
septagon - 8.
What is the sum of the internal angles of a triangle?
- A.
200°
- B.
90°
- C.
180°
- D.
100°
- E.
360°
Correct Answer
C. 180° -
- 9.
What is the sum of the internal angles of a pentagon?
- A.
180°
- B.
360°
- C.
720°
- D.
1080°
- E.
540°
Correct Answer
E. 540° -
- 10.
What is the sum of the external angles of any polygon?
Correct Answer
360°
360
360 degrees
three hundred and sixty degrees
three hundred and sixty - 11.
How big is angle a?
Correct Answer
62°
62 degrees
sixty two degrees
sixtytwo degrees
sixty two - 12.
How big is q
- A.
393°
- B.
100°
- C.
120°
- D.
131°
- E.
720°
Correct Answer
D. 131° -
- 13.
How many degrees is b?
- A.
89.5°
- B.
180°
- C.
1800°
- D.
90°
- E.
11°
Correct Answer
A. 89.5° -
- 14.
How big are the angles marked d?
Correct Answer
58°
58
fifty eight degrees
fifty eight
fiftyeight degrees
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Current Version
-
Jan 17, 2013Quiz Edited by
ProProfs Editorial Team -
Sep 05, 2010Quiz Created by
Joel Dodd
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