Question

21. Which equation can you use to find the value of x? (y + 2.3) cm K K. T 7 cm ( (2.5x)" H A. O 2.5x = 180 B.O 2.5x = 90 C.O 2.5x = 60 D. O 2.3x = 60​

Answer 1

2.5x = 180

Explanation:

106 ° + X° = 180 °

Solving the above

X° = 180 ° - 106°

X° = 74°

Therefore the value of X° is 2.5°.

B is the correct option