Normal

Question

Solve for x.

A right triangle B-C-A is right angled at C, angle A is x degrees and angle B is 2x degrees.
A.
30
B.
45
C.
60
D.
90

Answer 1

Since angle A and angle B are complementary angles (they add up to 90 degrees), we can set up the equation:

x + 2x = 90

Simplifying, we get:

3x = 90

Dividing both sides by 3, we get:

x = 30

Therefore, the answer is A. 30.