Bluebook SAT Test Lines, Angles, and Triangles 4

Question 1

Two similar triangles have corresponding sides in ratio 3:7. A side of the smaller triangle is 12 cm. What is the corresponding side of the larger?

Accepted Answer

28 cm

Answer

21 cm

Answer

24 cm

Answer

36 cm

Question 2

Three angles on a straight line are x, 2x, and 3x. What is x?

Accepted Answer

30°

Answer

15°

Answer

20°

Answer

45°

Question 3

A transversal crosses two parallel lines. Corresponding angles are (7x − 4)° and (5x + 20)°. What is x?

Accepted Answer

12

Answer

8

Answer

10

Answer

14

Question 4

In triangle DEF, angle D = 2 × angle E, and angle F = 60°. What is angle D?

Accepted Answer

80°

Answer

40°

Answer

60°

Answer

120°

Question 5

Which set of side lengths CANNOT form a triangle?

Accepted Answer

2, 3, 7

Answer

3, 4, 5

Answer

6, 8, 10

Answer

5, 12, 13

Question 6

Two adjacent angles at an intersection are (8x + 5)° and (4x + 55)°. If they are supplementary, what is x?

Accepted Answer

10

Answer

5

Answer

15

Answer

20

Question 7

Triangles ABD and ACE share angle A, with AB = 6, AD = 4, and AC = 9. If the triangles are similar, what is AE?

Accepted Answer

6

Answer

4

Answer

6.67

Answer

12