Bluebook SAT Test Lines, Angles, and Triangles 2

Question 1

In triangle ABC, angle A = 2x, angle B = x + 15, angle C = x + 45. What is x?

Accepted Answer

30

Answer

20

Answer

24

Answer

36

Question 2

Two similar triangles have sides in the ratio 2:5. The shorter triangle has a base of 8 cm. What is the base of the larger triangle?

Accepted Answer

20 cm

Answer

10 cm

Answer

16 cm

Answer

40 cm

Question 3

Lines m and n are parallel. A transversal makes a 55° angle with m. What is the alternate exterior angle at n?

Accepted Answer

55°

Answer

35°

Answer

125°

Answer

135°

Question 4

What is each interior angle of an equilateral triangle?

Accepted Answer

60°

Answer

45°

Answer

90°

Answer

120°

Question 5

Two complementary angles are in the ratio 1:4. What is the larger angle?

Accepted Answer

72°

Answer

18°

Answer

36°

Answer

54°

Question 6

In a right triangle, one acute angle is 35°. What is the other acute angle?

Accepted Answer

55°

Answer

35°

Answer

45°

Answer

65°

Question 7

Triangle PQR ≅ Triangle XYZ. Angle P = 70°, angle Q = 60°. What is angle Z?

Accepted Answer

50°

Answer

60°

Answer

70°

Answer

180°