Practice Test

Question 1

Given right triangle QRS , what is the value of sine of open paren 30 degrees close paren ?

Revolt · Accepted Answer

C: 1 half

Question 2

Which equation can be used to find the measure of angle LKJ ?

Revolt · Accepted Answer

B: sine inverse of open paren 8 point 9 over 10 point 9 close paren is equal to x

Question 3

What is the length of one leg of the triangle?

Revolt · Accepted Answer

D: 5 square root of 10

Question 4

Which is the best approximation for the measure of angle ABC ?

Revolt · Accepted Answer

B: 62.3 degrees

Question 5

What is the value of x ?

Revolt · Accepted Answer

A: 20  units

Question 6

What is the length of one leg of the triangle?

Revolt · Accepted Answer

D: 7  units

Question 7

What is the length of line segment BC ? Round to the nearest tenth.

Revolt · Accepted Answer

B: 20 point 5  in.

Question 8

What is the length of line segment AC ? Round to the nearest tenth.

Revolt · Accepted Answer

C: 10 point 5  cm.

Question 9

Given right triangle RST , what is the value of sine of cap s ?

Revolt · Accepted Answer

C: 5 over 13

Question 10

Which set of numbers can represent the side lengths, in millimeters, of an obtuse triangle?

Revolt · Accepted Answer

C: 8, 10, 14

Practice Test Answers