Lesson 8-4 Quiz; Envisions Grade 7

What terms below describe the relationship of angles 1 and 2?

• complementary

• vertical

• adjacent

• supplementary

How are angles 1 and 3 related?

• Equal

• Add to 180°

How are angles 3 and 4 related?

• Equal

• Add to 180°

How are angles 2 and 4 related?

• Equal

• Add to 180°

The figure shows ∠ABD is 90°, split by line BC. The measure of ∠ABC is x° and the measure of ∠DBC is (3x + 10)°. What is the value of x?

• 20°

• 25°

• 30°

• 35°

In the figure below, what is m∠ABE?

• m∠ABE = 64.5°

• m∠ABE = 115.5°

• m∠ABE = 90°

• m∠ABE = 45°

In the figure below, what is m∠DBE?

• m∠DBE = 25.5°

• m∠DBE = 64.5°

• m∠DBE = 90°

• m∠DBE = 135°

What is the value of x in the figure to the left?

• 65°

• 70°

• 75°

• 80°

If two angles are complementary, what is their sum?

• 180°

• 90°

• 45°

• 360°

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=3.4
• Complementary; x=45
• Supplementary; x=20
• Supplementary; x=175

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5