Question

What is the approximate area of the shaded region?

Answer 1

area of square-area of circle

Answer 2

shaded area

Answer 3

Well, calculate it.

What is the area of the whole square?

Answer 4

No, that's the length of one side. What is the area?

Answer 5

784

Answer 6

784 in^2 is correct.

What is the area of the circle? Find the radius.

Answer 7

thats what im having trouble with is finding the radius

Answer 8

The circle is transcribed inside the square. Therefore the diameter of the circle is the length of a rectangle.
Can you figure out radius now?

Answer 9

yes that helps

Answer 10

Cool Cool.