leilagelleysailor
Answered

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I don't know this. Can someone please help me. I am in 7th grade.

I Dont Know This Can Someone Please Help Me I Am In 7th Grade class=

Sagot :

Answer:

590 or 589.89

Step-by-step explanation:

Hope this helps!

LeCoolKid

Answer:

1380.25

Step-by-step explanation:

So to solve this problem, you find the outside circle and subtract it from the inside circle.

So, lets find the basic values

Radius of inside circle = diameter of the inside circle / 2

                                     = 27.6

                                     = 13.8

Radius of outside part = 11.3

So the area of the outside circle is

A = pi r^2

   = pi (11.3 + 13.8)^2

   = 630.01

   = 1978.23

And the area of the inside circle is

A = pi r^2

  = pi (13.8)^2

   = 190.44

   = 597.98

To find the shaded part, we subtract the outer circle with the inner circle

1978.23 - 597.98 = 1380.25

The area of the shaded region is 1380.25

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