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?

Question

anonymous · Answer

$$Diameter=2*radius $$
Diameter=22 

now with this information can you tell me the radius?
The radius is important when solving the area of a circle. Ill explain more after you give me the radius

anonymous · Answer

11

anonymous · Answer

great radius=r=11

The formula for the area of a circle is
$$\pi r^2=area$$
so just plug in the r and solve it

anonymous · Answer

i got 379 ?

anonymous · Answer

yup I got 380 so I thing u forgot to round up

anonymous · Answer

yes i did , thnx for the help