Question

A triangular park has side 120 m, 80 m and 50 m. A Gardner Ramu
has to put a fence all around it and also plant some trees inside the
garden to get clean air.
(0) Find the cost of fencing at the rate of Rs 5 per meter.
(1) Find the area where Ramu plant the trees.
BI U S
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Answer 1

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Answer 2

Answer:

fencing will be on perimeter

perimeter = 120+80+60=250m.

per 1 metre it is 5rupees

250metres means 250×5= 1250metres

area= √(125)(5)(45)(70) = 25√5.3.3.7.5.2 = (250√14)m²

so ramu plant trees in 250√14m² area