Question

A circle with radius of 2 cm sits inside a circle with radius of 4 cm.
What is the area of the shaded region?¿​

Answer 1

37.68

Step-by-step explanation:

area of circle = πr^2, where r is radius of circle

area of outer circle is π×4×4=16π

area of inner circle is π×2×2= 4π

so area of shaded region 16π-4π=12π

which is 37.68

Answer 2

Step-by-step explanation:

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