ay Find the cost of laying grass in a triangle
Field of sides 50m, 66m and 65m at the rate of 7 typesetting per m^2
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Answer:
Sides of the triangle are a=50m,b=65m,c=65m
Area of triangle, by Heron's formula =s(s−a)(s−b)(s−c)
where,
s=2a+b+c
s=250+65+65
s=90
Area of triangle = 90(40)(25)(25)
Area of triangle = 1500m2
Cost of laying grass = Area ×7
Cost of laying grass =1500×7
Cost of laying grass = Rs 10500
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