Question

How to do???


this sum pls. ans​

Answer 1

Answer:

x+90° =130° ( Sum of two interior angles = ex.angle)

x=130°-90°

x=40°

Answer 2

Answer:

Your answer

x= 40°

Explanation

We know that sum of a triangle is 180°

So, angle A is 90°

Angle B is x°

Angle C is 180°-130°=50°[Sum of a straight angle is 180°]

Therefore, x+90°+50°=180°

140°+x=180°

x=180°-140°

x= 40°

Step-by-step explanation:

I hope this helps you