Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. 1. 1 and ? are vertical angles. ANSWER 4 2. 3 and ? are consecutive interior angles. ANSWER 5
Prerequisite Skills VOCABULARY CHECK Copy and complete the statement. 3. 7 and ? are corresponding angles. ANSWER 3 4. 5 and ? are alternate interior angles. ANSWER 4
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°
Prerequisite Skills SKILL AND ALGEBRA CHECK Find the measure of the indicated angle. 6. If m 3 = 105°, then m 2 = ? . ANSWER 105° 7. If m 1 = 98°, then m 3 = ? . ANSWER 98°
Prerequisite Skills SKILL AND ALGEBRA CHECK Find the measure of the indicated angle. 8. If m 4 = 82°, then m 1 = ? . ANSWER 98° 9. If m 2 = 102°, then m 4 = ? . ANSWER 78°