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If the sides of a triangular field measures 52m, 37 m and 20 m, then the cost of leveling at Rs 5 per m2 is Rs 1530.
Let the sides of the triangular field be:
a = 52 m, b = 37 m and c = 20 m
∴ s =
=
=
= 54 m
Now, by using Heron’s formula we get:
Area of triangle =
=
=
=
= 17 × 2 × 3 × 3
= 306 m2
It is given that,
Cost of leveling 1 m2 area = Rs 5
∴ Cost of leveling 306 m2 area = 5 × 306
= Rs 1530
Hence, the given statement is true
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The correct answer is :
(a)-…….. (b)-……..
(c)-……… (d)-………