Answer: here you go i tried my best
Step-by-step explanation:
Answer:
The perimeter of rectangle is 
Step-by-step explanation:
Let
x-----> the length of the rectangle
y----> the width of the rectangle
we know that
----> equation A
---> equation B (area of the constructed figure)
substitute the equation A in equation B


using a graphing calculator -----> solve the quadratic equation
The solution is

Find the value of x

Find the perimeter of rectangle

Answer:
6 pi squared cm
Step-by-step explanation:
circle area = pi * 6^2 = 36 pi
so shaded area = 36 pi / 6 = 6 pi (ANS)