Right Triangles (Practice quiz)
Find cos B. ------ A.) cos B = 40/41 B.) cos B = 41/10 C.) cos B = 9/40 D.) cos B = 9/41
The answer is D.)
Solve the right triangle shown in the figure. <A= 30 AC= 12m <C= 90 --------- A.) <B= 60 BC= 24m AB= 6 squared 3m ---------- B.) <B= 60 BC= 24m AB= 12 squared 3m ------------- C.) <B= 60 BC= 4 squared 3m AB= 8 squared 3m ------------ D.) <B= 60 BC= 6 squared 3m AB= 24m
The answer is C.)
Find cos B ---------- A.) cos B= 9/41 B.) cos B= 40/41 C.) cos B= 9/40 D.) cos B= 41/40
The answer is A.)
Find sin A ------ A.) sin A= 4/5 B.) sin A= 4/3 C.) sin A= 3/5 D.) sin A= 5/4
The answer is A.)
The chairlift at a ski resort rises a total of 2600 feet from where it starts. The angle of elevation is about 22.3 . How far do riders travel on the lift? Round your answers to the nearest whole number. ---------------- A.) 6852 ft B.) 1066 ft C.) 2401 ft D.) 5798
The answer is A.)
Use the diagram of the right triangle above and round your answer to the nearest hundredth. If b is 23 ft and tan A is 1.0, what is a? --------- A.) 23 ft B.) 14 ft C.) 4 ft D.) 6.93 ft
The answer is A.)
Find tan A ----- A.) tan A= 12/5 B.) tan A= 5/12 C.) tan A= 13/5 D.) tan A= 5/13
The answer is B.)
Solve the right triangle shown in the figure. <A= 45 AC= 14 km <C= 90 ---------- A.) BC= 14 km <B= 45 AB= 7 squared 2 km --------- B.) BC= 7 squared 2 km <B= 45 AB= 14 km ---------- C.) BC= 14 km <B= 45 AB= 14 squared 2 km --------- BC= 14 squared 2 km <B= 45 AB= 14 km
The answer is C.)
Solve the right triangle shown in the figure <A= 30 BC= 12 ft <C= 90 -------- A.) <B=60 AC= 24 ft AB = 20.784 ft ----------- B.) <B= 60 AC= 24 ft AB= 10.392 ft ------- C.) <B= 60 AC= 10.392 ft AB= 24 ft -------- D.) <B= 60 AC= 20.784 ft AB= 24 ft
The answer is D.)
Solve the right triangle shown in the figure. BC= 3.2m , <B= 43.2 , <C= 90 ---------- A.) <A= 46.8 AC= 1.9m AB= 3.7 ------- B.) <A= 46.8 AC- 5.3 AB= 4.4m ------------- C.) <A= 46.8 AC=5.3m AB = 6.2m -------- D.) <A= 46.8 AC= 3.0m AB= 4.4m
The answer is D.)
