Precalculus Test 1 Unit 9 Trig Applications Lessons 1-5

Solve the right triangle.

• <B = 39^o, AB = 11.58, AC = 7.29
• <B = 39^o, AB = 7.29, AC = 11.58
• <B = 129^o, AB = 11.58, AC = 7.29
• <B = 129^o, AB = 7.29, AC = 11.58

Solve the right triangle.

• <A = 34^o, <C = 56^o, AC = 5.59
• <A = 56^o, <C = 34^o, AC = 5.59
• <A = 34^o, <C = 56^o, AC = 9.01
• <A = 56^o, <C = 34^o, AC = 9.01

What is the measure of angle A?

• 50 degrees
• 60 degrees
• 78 degrees
• 74 degrees

Jack is flying his kite.  He runs 100 feet away from his house and lets out 75 feet of string.  The angle of elevation from the ground to the kite is 65 degrees.  How far away is the kite from the house?

*Type your answer to the nearest TENTH

*Don't forget your UNITS!!

Solve the Triangle B= 85°, C= 47°, and a=19 Find A, b, and c

Answer: A =​ (a)  

b = ​ (b)  

c = ​ (c)  

• 5.9

• 6.7

• 4.8

• 7.1

Find the area of ABC to the nearest tenth.

• 62.3 units²

• 124.6 units²

• 77.0 units²

• 100 units²

• 52.1 sq cm

• 89.5 sq cm

• 47.6 sq cm

• 15.2 sq cm