In each corner of triangular field a horse is tethered with a rope of 7 m length. Sides of triangle are 60m ,80m ,100m.find area of field iver whuch horse can graze
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I think 77 m square. Is the answer
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Answer:
Area of field horse can graze = Area of three sector (corners of triangle)
= Ф/360 πr²
Ф = 180 (sum of all angle of triangle)
π = 22/7
r = 7 (length of rope)
∴ field graze = 180/360 × 22/7 ×7×7
= 1/2 × 22×7
= 11 ×7
=77
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