Topic 6 (6.5-6.8) Summative

Which of the following are the possible lengths to complete a triangle with side lengths of 14 in. and 8 in.

• greater than 6 in.

  less than 20 in.

• greater than 6 in.

  less than 22 in.

• greater than 4 in.

  less than 20 in.

• greater than 4 in.

  less than 22 in.

In the figure, m∠1 = (5x)°, m∠2 = (4x + 10)°, and m∠3 = (10x – 5)°. What is m∠3, in degrees?

Tags

CCSS.8.G.A.5

How many degrees is the sum of the measures of the interior angles of a regular polygon with 14 sides?

• 150

• 1800

• 2160

• 2520

Which of the following combinations of side lengths form a triangle? SELECT ALL that apply.

• 3, 5, 9

• 4, 4, 6

• 11, 6, 17

• 6, 10, 12

Tags

CCSS.7.G.A.2

Two angles lie along a straight line. If m∠A is (5x + 36) and m∠B is x, how many degrees is m∠B?

Tags

CCSS.7.G.B.5

In △PQR, how many degrees is m∠Q?

Tags

CCSS.8.G.A.5

How many degrees is the measure of ∠4?

Tags

CCSS.7.G.B.5

What is the measure of EACH angle in a regular 15-gon?

• 165

• 2340

• 180

• 156

What is the interior angle sum of a Triangle?

Vertical angles are a pair of opposite congruent angles formed by intersecting lines. The angle measures are the ________ or ________. SELECT ALL that apply.

• same

• different

• equal

• nonexistent

Tags

CCSS.7.G.B.5