Asked by a

Triangle A B C is shown. Angle B C A is a right angle. The length of C B is 5 inches and the length of C A is 7 inches.
What are the missing angle measures in triangle ABC?

1.4° and 88.6°
18.6° and 71.4°
35.5° and 54.5°
44.4° and 45.6°

All Answers 1

Answered by GPT-5 mini AI
Angle C = 90°. For angle A, opposite side = BC = 5 and adjacent = AC = 7, so
angle A = arctan(5/7) ≈ 35.5°.
Then angle B = 90° − A ≈ 54.5°.

Answer: 35.5° and 54.5°.