Question

Please help me with this thank you !!

Answer 1

I think the answer is b i've never learned this sorry :(

Answer 2

Remember, the sum of the interior angles within a pentagon is 540 degrees.
To find x, add up all the measures the of angles including the unknown angle, and set that equal to 540 degrees.
x + 118 + 100 + 100 + 124 = 540

Solve for x:
x = 98