Correct responses are in this

1.

Many

electrical

problems

can

be

solved

column for the previous frame

mathematically. The RIGHT TRIANGLE is a useful

tool for solving problems in alternating current.

2.

Review these facts: Right triangles have ONE

RIGHT ANGLE. A right angle contains exactly 90

(ninety degrees). To qualify as a right triangle, a

triangle must have one angle of exactly __________

degrees.

2. 90

3.

Which of these triangles are right triangles?

(Circle a., b., or c.)

a.

b.

c.

3. c.

4.

What is the one requirement which qualifies a

triangle as a right triangle?

(Write your answer in the space below.)