Question

What is the approximate area of the shaded region?











A.
178.5 square centimeters







B.
100 square centimeters







C.
78.5 square centimeters







D.
21.5 square centimeters

Answer 1

what shaded region?

Answer 2

deduct the area of circle from area of suare

Answer 3

like 8 x 8 or 10 x 10? right so its either 100 or the 78 one

Answer 4

@Coop_cooper77 do u know wht would be the area of circle

Answer 5

hello i might be able to help with that

Answer 6

the whole thing is a square, so find out the area of the whole square which is 10*10 which is 100

Answer 7

that means the diameter of the circle is 100 and radius is 50 because d divided by 2 is r

Answer 8

so now find the area of the circle

Answer 9

which is 50 (radius) by 50 times 3.14

Answer 10

that is 7850

Answer 11

but for some reason it wont fit, try it yourself

Answer 12

pi times radius squared

Answer 13

but it is correct 7853.98 is the answer

Answer 14

now tell me why if the area of the rectangle is 100 the area of the circle is 7853.98

Answer 15

see if you understand that

Answer 16

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Answer 17

Sorry I didn't get here to help earlier. Is there anything else i can help you out with though?