Question

Use the squares to help you find a reasonable range for the area of the circle. Show your work.
@dg2

Answer 1

@hello_j

Answer 2

area of the circle =pi.r^2

Answer 3

i think r=4.5

Answer 4

then area=63.642?

Answer 5

Pi is 3.14 right?

Answer 6

assuming each square represents 1 unit there are 9 whole squares and 2 half squares along the diameter.
radius = 1/2 diameter so 5
3.14x25=78.5

Answer 7

ah never mind there are 8 whole squares

Answer 8

so dg2 would be correct