Answer:
it's a black screen
Step-by-step explanation:
black screen
Answer:
equilateral
Step-by-step explanation:
In an equilateral triangle, all sides and angles are equal.
Answer:
77°
Step-by-step explanation:

Answer:
175 square feet
Step-by-step explanation:
the area of the whole thing is 400 ft. (20 x 20=400)
i got the 20 from the perimeter b/c 20+20+20+20=80
then subtract the area of the pool from 400 to get 175.