One angle is 5 less than 3 times its complement. Find the angle.
Show answer & explanation
Correct answer: A
Explanation
Angle = x°, Complement = (90 − x)°
According to the formula:
x = 3(90 − x) − 5
x = 270 − 3x − 5
x = 265 − 3x
4x = 265
x = 265/4 = 66.25°