Required area of shaded portion
= Area of square ABCD - 4 × area of one quadrant

The answer is D
Hope this hel
The answer is 14. The two lower angles are 50 each 100 total and so the top angle must equal 80. If you set it equal to 80 you get 14.
Answer:
if you download photomath it will tell u all the math problems to answer
Answer:
-8 12 5
Step-by-step explanation:
they are the numbers attached to the variables