SAT Mc Graw Hill 2011

Concept Review 1: Lines and Angles

Questions 1 and 2 refer to the diagram above.

1. List all of the different pairs of angles that are congruent (equal).


2. List all of the different sets of angles that have a sum of 180°.

Mark the figure to show the following information: AD⏐⏐HN, AI⏐⏐BM,and HD⏐⏐JL. Then list the angles in the
figure that have the given characteristic:

A D

H

B C

I J M N

L

G

F

E K

1 23 45

6

7 8

9

10

11

12

13

14

15

a b

c

d

e

l 1 l 2

r

3. One angle equal to ∠ 10 4. Two angles supplementary to ∠ 6


4. Two angles supplementary to ∠ 9 6. One angle equal to ∠ 15


5. Three angles supplementary to ∠ 13

State whether each of the following pairs is supplementary(has a sum of 180°), equal,or neither.

8.∠13 and ∠ 79 .∠13 and ∠ 6

10.∠2 and ∠ 9 11. ∠14 and ∠ 9

12.∠7 and ∠ 3 13. ∠1 and ∠ 2

14.∠6 and ∠ 7

l 1 and l 2 are lines and ris a ray.

360 McGRAW-HILL’S SAT