Quadrilaterals and Polygons

Find the sum of the measures of the interior angles of a convex hexagon.

Find the sum of the measures of the exterior angle of a convex nonagon

What is the measure of one interior angle of a regular dodecagon?

The measure of each interior angle of a regular polygon is  $135\degree$  . How many sides does the polygon have? 

The sum of the measures of the interior angles of a convex polygon is $900\degree.$  Classify the polygon by the number of sides.

Find x.

This figure is a traffic sign in the shape of a regular octagon. What is the value of x?

ABCD is a parallelogram, AB = 8 and AD = 5. What is the measure of BC?

Tags

CCSS.HSG.CO.C.11

Find the value of x in rectangle KLMN.

Tags

CCSS.HSG.CO.C.11

Find the value of x in rhombus ABCD.

Tags

CCSS.HSG.CO.C.11