Question

What is the value of x in the following triangle?

(x-10)
Your Answer:
(2x+5)°
Answer
35°

Answer 1

sum of angles triangle = 180°

(2x+5)°+(x-10)°+35°= 180°

2x+5+x-10+35=180

3x+30=180

3x=180-30

x=50

angle (2x+5)° = 105°

angle (x-10)° = 40°

angle 35°

→105°+40°+35°=180°

Explanation: