Geometry Regents Prep: SOHCAHTOA

Question 1 of 3

1.

Try the following practice question.

In triangle ABC, the measure of angle A is $20^o$ and angle C is a right angle. What is the length of side $\overline{BC}$ if $\overline{AB}$ is 5?
(Round your answer to the nearest tenth)

Question 1 of 3

Question 2 of 3

2. In triangle ABC, the length of side $\overline{BC}$ is 8 and angle C is a right angle. What is the measure of angle A if the length of side $\overline{AC}$ is 3? (Round your answer to the nearest tenth)

Question 2 of 3

Question 3 of 3

3.

Try the following practice question.

If $sinA = 3/5$ , what is the value of $cos(90^o - A)$ ?

2/5

4/5

3/5

5/3

Question 3 of 3