Question

9
If sum of three angles xº, (x + 70), (x - 70)° is 180°, then the value of 'x' is
a) 60
b) 130°
d) 52
c) 54° d) 53.5​

Answer 1

Answer:

» x + (x + 70) + (x - 70) = 180

» 3x = 180

» x = 60⁰

Answer 2

Answer:

60°

Step-by-step explanation:

sum of all angles of triangle =180°

according to question

x°+x+70°+x-70°=180°

3x=180°

x=60°