1. Prerequisite Skills
VOCABULARY CHECK
Copy and complete the statement.
1. Adjacent angles share a common ? and ? .
vertex and side
ANSWER
2. Two angles are ? angles if the sum of their measures is 180°.
ANSWER
supplementary

2. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
The midpoint of AB is M. Find AB.
3. AM = 5x – 2, MB = 2x + 7 26
ANSWER
4. AM = 4z + 1, MB = 6z – 11
ANSWER 50

3. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Find the measure of each numbered angle. 5.
ANSWER
1: °
2: 38°
3: °

4. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Find the measure of each numbered angle. 6.
ANSWER
1: 90°
2: 90°
3: 90°

5. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Find the measure of each numbered angle. 7.
ANSWER
1: 45°
2: °
3: 45°

6. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Sketch a diagram for each statement.
QR is perpendicular to WX . 8.
ANSWER

7. Prerequisite Skills
SKILLS AND ALGEBRA CHECK
Sketch a diagram for each statement.
9. Lines m and n intersect at point P.
ANSWER