Help me with maths

Posted on 2014-11-15 11:04:00 in Math by TYLER

The radius of a circular pond is 12 meters.Grass grows around the pond,two meters away from its edge.Find in terms of pi (3.142),expressions for:

(A) the circumference of the circle forming the outer edge of grass,

(B) the area of land between the pond and the outer edge of the grass

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