What does perpendicular mean?

Find the value of X. Hint: First find what the sum of the interior angles should be according to the number of sides.

• 100

• 120

• 125

• 130

What is the measure of ONE interior angle in a regular triangle (3 sides)?

• 15°
• 30°
• 60°
• 90°

Tags

CCSS.HSG.CO.C.10

What is the SUM of all the exterior angles?

• Cannot be determined

What is the SUM of the interior angle measures in a nonagon ?

• 1440°

• 900°

• 1080°

• 1260°

Find the angle SUM of the interior angles of the polygon.

• 180°

• 540°

• 720°

• 1080°

Tags

CCSS.7.G.B.6

What is the SUM of the exterior angles of a 20-gon?

• 180

• 360

• 3240

• 162

What is the measure of EACH EXTERIOR angle of a regular 67-gon?

• 5.4

• 11700

• 3.2

• 113

How many SIDES does the regular polygon have if each exterior angle is 10 degrees.

• 36

• 130

• 10

• 20

The opposite angles of a parallelogram are ...

• complementary
• congruent
• supplementary
• perpendicular

Tags

CCSS.HSG.CO.C.11