Benchmark 1 Review

What is the relationship of the angles

• Alternate Interior
• Alternate Exterior
• Corresponding
• Vertical

Vertical angles are always

• 90 degrees

• 180 degrees

• congruent

• adjacent

These angles are...

• Complementary
• Supplementary
• Neither

2) Given the following two parallel lines cut by a transversal.

Which pair of angles represents corresponding angles?

Write an equation that correctly models the lengths shown.

• 2x + 20 + x + 21 = 9

• 2x + 20 + 9 = x + 21

• 9 + x + 21 = 2x + 20

• 2x + 20 - 9 = x + 21

Solve for x.

• 5

• 7

• 14

• 21

Calculate m∠ABC.

• 45°

• 60°

• 105°

• 15°

Find m∠EFG

• 37°

• 18°

• 56°

• 19°

Find m∠A.

• 25°

• 30°

• 35°

• 90°

Which angles are vertical angles?