Answer:
6.5 inches
Step-by-step explanation:
4) because 10 x 10 is 100
Answer:
Her friend is correct
Step-by-step explanation:
40 * 20% = 8
40+8=48
32 is 32.4543611% 0f 98.6
Answer:
The perimeter of the square is 
Step-by-step explanation:
step 1
Find the length side of the square
we know that
The area of a square is equal to

where
b is the length side of the square
we have

substitute and solve for b

square root both sides

step 2
Find the perimeter of the square
we know that
The perimeter of the square is equal to

we have

substitute

