A machinist creates a washer by drilling a hole through the center of a circular piece of metal. If the piece of metal has a radius of x+8 and the hole has a radius of x+2, what is the area of the washer? Use the formula A=Pie r^2 to find the area of the circle.
PLEASE help I'll give a metal to whoever gives me the correct answer first c:

Question

A machinist creates a washer by drilling a hole through the center of a circular piece of metal. If the piece of metal has a radius of x+8 and the hole has a radius of x+2, what is the area of the washer? Use the formula A=Pie r^2 to find the area of the circle. 
PLEASE help I'll give a metal to whoever gives me the correct answer first c:

rock_mit182 · Answer

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rock_mit182 · Answer

subtracting* the radius - radius hole

rock_mit182 · Answer

radius washer (r) = radius - radius hole,

r = (x+8) - (x+2) 

then plug the value of (r) in the equation : $$A = \pi *r ^{2}$$