1. Prerequisite Skills
VOCABULARY CHECK
Copy and complete the statement.
and ? are vertical angles.
ANSWER 4
and ? are consecutive interior angles.
ANSWER 5

2. Prerequisite Skills
VOCABULARY CHECK
Copy and complete the statement.
and ? are corresponding angles.
ANSWER 3
and ? are alternate interior angles.
ANSWER 4

3. Prerequisite Skills
SKILL AND ALGEBRA CHECK
Find the measures of the three angles.
5. In
ABC, m A = x°, m B = 3x°, and
m C = (4x – 12) ° .
ANSWER
24°, 72°, 84°

4. Prerequisite Skills
SKILL AND ALGEBRA CHECK
Find the measure of the indicated angle.
6. If m = 105°, then m = ? .
ANSWER
105°
7. If m = 98°, then m = ? .
ANSWER
98°

5. Prerequisite Skills
SKILL AND ALGEBRA CHECK
Find the measure of the indicated angle.
8. If m = 82°, then m = ? .
ANSWER
98°
9. If m = 102°, then m = ? .
ANSWER
78°