Does anybody know about this I'm stuckes it's about angles

Question

asked Jan 14, 2021 171k views

2 Answers

Yakir Tsuberi · Answer 1 · 2021-01-17T00:41:11+0000

Answer:

alpha = 25°

Explanation:

The picture indicates a rectangle.

Alpha is in a straight corner of 90 °, so...

65 + alpha = 90

subtract 65 left and right of the = sign.

65 - 65 + alpha = 90 - 65

0 + alpha = 90 - 65

alpha = 25°