Question

What is the area of circle E?

Answer 1

25 pi

Answer 2

The diameter of the circle is the same length as the side of the square.

Answer 3

78.5

Answer 4

choices
a 15.7cm ^2
b 31.4 cm^2
c 78.5 cm^2
d 314.0cm^2

Answer 5

thanx!

Answer 6

area=31.4.is it correct

Answer 7

no..it was c

Answer 8

you should know the formula for calculating area... and other shapes for that matter. So when you take the test you are more comfortable.

Answer 9

\[A=\pi*radius ^{2} or \pi*radius*radius\]

Answer 10

\[radius = diameter \div2 \]