Question

The angles of a triangle haves measures of 80°, 75°, and (x-12)°.

What is the value of x?

Please explain well I need to know how to do it.

Answer 1

37°

Explanation:

180°－80°－75°＝25°

(x－12）＝25°

x＝25°+12°

＝37°