Angle Measures of Polygons Answers
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A polygon with 6 sides is shown. No angles go inside of the shape.
A
convex heptagonB
concave heptagonC
concave hexagonD
convex hexagon2
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A polygon with 7 sides is shown. An angle goes inside of the shape.
A
convex heptagonB
concave heptagonC
concave octagonD
convex octagon3
Three interior angles of a quadrilateral measure 55°, 117°, and 120°. What is the measure of the fourth interior angle?
A
68°B
78°C
88°D
98°4
An interior angle of a regular polygon has a measure of 135°. What type of polygon is it?
A
hexagonB
octagonC
nonagonD
decagon5
The sum of all but one interior angle of a heptagon is 776°. What is the measure of the final interior angle?
A
42ºB
56ºC
124ºD
304º6
Which statements are true about the regular polygon? Select three options.
A
The sum of the measures of the interior angles is 900°.B
Each interior angle measures 108°.C
All of the angles are congruent.D
The polygon is a regular hexagon.E
The sum of the measures of the interior angles is 180(5 – 2)°.7
Polygon A B C D E has 5 sides.
A
It is a concave pentagon because segment AE would extend into the inside of the polygon, and it has five sides.B
It is a convex hexagon because it has six sides and none of the sides would extend into the inside of the polygon.C
It is a concave hexagon because segment AE would extend into the inside of the polygon, and it has six sides.D
It is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.
9
What is the measure of each interior angle of a regular octagon?
A
45ºB
60ºC
120ºD
135º10
Which polygon has an interior angle sum of 1080°?
A
A polygon has 8 sides.
B
A polygon has 10 sides.
C
A polygon has 9 sides.
D
A polygon has 7 sides.
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