Question

The size of a bicycle is determined by the diameter of the wheel. You want a 22-in bicycle for your birthday. What is the area of one of the wheels?
A. 121.5 in2
B. 380.1 in2
C. 484 in2
D. 34.54 in2

Answer 1

Stingrey, don't you have a calculator?

Answer 2

You really need to learn to use these formulas

Answer 3

i dont quite understand this lesson

Answer 4

\[A=\pi r^2\]

Answer 5

thanks

Answer 6

What is the radius of the bicycle tire you are talking about?

Answer 7

is the radius 11 or 22 ?

Answer 8

11

Answer 9

thanks

Answer 10

The diameter is 22

Answer 11

What is 11 squared?

Answer 12

121

Answer 13

Multiply that by pi and you have your area.

Answer 14

thanks a lot :D

Answer 15

See, you are plenty bright enough to do this. Remember...the more you know, the further you go.

Answer 16

thanks

Answer 17

yw

Answer 18

B