Question

What is the area of a circle with a radius of 2 meters? Use twenty-two sevenths (22 over 7) for Pi

A. three and one-seventh square meters

B. six and two-seventh Square meters

C. Twelve and four-seventh square meters

D. twenty five and one-seventh square meters

Answer 1

Circle:
\[Area= \pi r^2\]
\[\frac{ 22 }{ 7 }\times (2)^2\]

Answer 2

the answer is 88/7 sorry, not an answer

Answer 3

thank you all >.<

Answer 4

just remember the formula of a circle for now. and the rest is just "plugging" in the values of the radius or 1/2 of a given diameter.

Answer 5

Ah ok thanks ^-^

Answer 6

The answer is C. 12 and 4/7

Answer 7

next time, I will teach you who came up with the idea that an area of a circle is pi*r^2 and what were the ideas behind it

Answer 8

o.o ok