Name ________________________________
Date ____________
Unit 3 – Geometry
Math 8H
HW #26: Interior and Exterior Angles of Polygons
1) Consider the diagram below.
a) Name an exterior angle and the
related remote interior angles.
b) Name a second exterior angle and the
related remote interior angles.
c) Name a third exterior angle and the
related remote interior angles.
2) Determine the measure of angle x in each diagram.
a)
b)
c)
d)
3) Find the value of each variable in the diagram below.
x = _________
y = _________
4)
5)
a) Find the measure of one of the interior angles of a regular decagon.
b) Find the measure of one of the exterior angle of a regular decagon.
6) Find the measure of an interior angle and an exterior angle of a polygon with 40 sides.
Review: A figure was rotated, translated, and then dilated. Would the final image be an isometry? Explain.
Would the final image have the same area as the original figure? Explain.