Ch. 5 Lessons 1-3 REVIEW

Front

Which of the following statements is true? ∠D = ∠B, AC = DA, the diagonals are perpendicular, ∠C + ∠B = 180

Back

∠C + ∠B = 180 (This is a property of supplementary angles.)

Tags

CCSS.HSG.CO.C.11

Front

What is the sum of interior angles for a pentagon?

Back

The sum of interior angles for a pentagon is 540 degrees.

Front

If an exterior angle of a regular polygon has a measure of 36 degrees, how many sides does it have?

Back

A regular polygon with an exterior angle of 36 degrees has 10 sides.

Front

Find the measure of ∠1 if it is supplementary to 79°.

Back

∠1 = 101° (because 180° - 79° = 101°).

Tags

CCSS.7.G.B.5

Front

What is the measure of a single interior angle for a regular octagon?

Back

The measure of a single interior angle for a regular octagon is 135°.

Front

Define supplementary angles.

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What is the formula to find the sum of interior angles of a polygon?

Back

The sum of interior angles of a polygon with n sides is (n-2) × 180 degrees.

Front

How do you calculate the measure of an exterior angle of a regular polygon?

Back

The measure of an exterior angle of a regular polygon is 360° divided by the number of sides.

Front

What is the relationship between interior and exterior angles of a polygon?

Back

Interior and exterior angles are supplementary; they add up to 180 degrees.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

Tags

CCSS.8.G.A.5