Question

Given the diagram below, find X. The diagram IS
40°
x - 15°
X =
degrees.

Answer 1

X=65°

Explanation:

Both angles combined is a right angle as indicated by the small square drawn on it, a right angle is always 90° therefore

(x-15°)+40°=90°

combine like terms

x+25°=90°

subtract 25° from each side

x=65°