Question

The class with eggs to find the area of a circle with the diameter of 2 centimeter Brandy solve the problem showing all her work explain and find the error brandy made

A=§r2(the usual sigh didnt have it)
A=3.14×12square2
A=452.2cm2

Answer 1

area=pi times radius²
diameter/2=radius
given
diameter=2
radius=2/2=1
A=pi times r²
A=3.14 times 1²
A=3.14 times 1
A=3.14

what she did wrong is somehow she got that the radius was 12, but it was actually suupposed to be 1²