Question

The radius of the outer circle is Rand that of the inner circle is r.
If R=15cm and r= 8cm, find the area of the shaded region.
RA​

Answer 1

Answer:

The answer is 506 $cm^2$

Step-by-step explanation:

area shaded=⊼×($R^2-r^2$)

                    =22/7(15×15-8×8)      

                    =22/7(225-64)

                   =22/7(161)

                   =22×23

                   =506 $cm^2$

The area of shaded region is 506$cm^2$

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