Question

The permeter of Z is 5in. what is its area in the terms of pie?

Answer 1

assuming that 'Z' is a circle

perimiter=circumference=2pir
area=pir^2

p=5=c
5=2pir
divide both sides by 2pi
$\frac{2.5}{pi}$=r

area=pir^2
area=pi$(\frac{2.5}{pi})^2$
area=2.5pi

area=2.5pi in^2