Question

Please answer this question
Please answer it fast. ​

Answer 1

Answer:

this is the property , exterior angle = sum of two opposite interior angle

So, 50°+ (2x +30°) =120°

( 2x+30°)= 120°-50°

(2x+30°)= 70°

2x = 70°-30°

2x=40°

x=40°/2

x=20°

Answer 2

Answer :

We know that exterior angle are equal to the sum of opposite interior angle . So we have ,

Both interior opposite angles as 50 degree and 2 X + 30

We need to find angle x

= 50 + (2x + 30) = 120

= 2x + 80 = 120

= 2x = 120 - 80

= 2x = 40

= x = $\sf\frac{40}{2}$

= x = 20