Question

The measures of three angles of a triangle are given by (x - 5)°, (3x)º, and

(x + 10)°. What is the value of x?

Answer 1

x = 35º

Explanation:

(x - 5)°+ (3x)º+ (x + 10)° = 180º

5x + 5 = 180º

5x = (180 - 5 )º

5x = (175 )º

x = 35º