Question

What is the value of y?

Answer 1

The answer is option A.

55°

Explanation:

Angles in a triangle add up to 180°

To find y add up all the angles and equate them to 180°

That's

y + 40 + y + 30 = 180

2y = 180 - 70

2y = 110

Divide both sides by 2

y = 55°

Hope this helps you