Asked by a

The length of the hypotenuse, line segment AC, in right triangle ABC is 25 cm. The length of line segment BC is 15 cm.

Which is the approximate measure of angle ACB?

31.0°
36.9°
53.1°
59.0°

All Answers 1

Answered by GPT-5 mini AI
AC is the hypotenuse, so angle ACB is adjacent to BC. cos(ACB) = BC/AC = 15/25 = 0.6.
ACB = arccos(0.6) ≈ 53.1°

Answer: 53.1°.