In the diagram, the radius of the outer circle is
2x cm and the radius of the inside circle is 6
cm. The area of the shaded region is
2887 cm?
What is the value of x?
Enter your answer in the box
x =
cm

the value of x is 8 cm.

Step-by-step explanation:

Correct Question : In the diagram, the radius of the outer circle is 2x cm and the radius of the inside circle is 6 cm. The area of the shaded region is 220π cm2. What is the value of x? Enter your answer in the box.

We have ,

the area of a circle =  πr²

the outer circle area = 

the inside circle area = 

According to Question,

the outer circle area - the inside circle area = he shaded region

⇒

⇒

⇒

⇒

Therefore , the value of x is 8 cm.

b

step-by-step explanation: