Answer:
the value of x is 45 degree
45
Explanation:
Step 1:
2x + 55° + x - 10° = 180° Sum of a Δ
Step 2:
3x + 45° = 180° Combine Like Terms
Step 3:
3x = 135° Subtract 45° on both sides
Step 4:
x = 135° ÷ 3 Divide
x = 45
Hope This Helps :)
5.2m questions
6.7m answers