Question

Find the value of x in the triangle at the right.​

Answer 1

x= 72

Explanation:

x° +x° +36°= 180° (∠ sum of △)

2x° +36°= 180° (simplify)

2x°= 180° -36°

2x°= 144°

x°= 144° ÷2 (÷2 on both sides)

x°= 72°

x= 72