Answer: 90 square feet
Step-by-step explanation:
Set up and solve an equation:
3(90-x) = (180-x). Then 270 - 3x = 180 - x, or 270 - 180 = 2x.
90 = 2x, so x = 45 deg.
Is this true? 3(90-45) = (180-45)? If so, x = 45 degrees is correct.
It is 9/10 as the others are too small
Answer:
5ft
Step-by-step explanation:
all sides of a square are equal and there are 4 sides so divide 20 by 4 and you get 5 ft
Answer: b commutative property
Step-by-step explanation: idid the test and i got it right
