Find the cost of laying grass in a triangular field of sides 50m, 65m and 65m at the rate of Rs. 10 per sq m. *
Answers
Answered by
4
Step-by-step explanation:
Semi perimeter of the field (s) =(50+65+65)/2
= 180/2
= 90 cm
By heron's formula,
Area of the triangle = √s(s-a)(s-b)(s-c)
=√90(90-50)(90-65)(90-65)
=√90(40)(25)(25)
=√3600×25×25
=60×5×5
=300×5
=1500m^2
Cost of laying grass = 1500×7
=₹10500
hope it helps you buddy ✌️✌️
Answered by
1
Answer:
10500 is answer of question.
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