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