Question

A path is to be made around a park whose shape is that of an equilateral triangle. Each side of the park is 35 m long. Find the cost of making the path, if it costs 70 per metre.​

Answer 1

$\huge{\mathfrak{\underline{\underline{\color{green}{Solution}}}}}$

Given:

• The length of each side is 35m
• Cost of making path is ₹70 per metre.

To find:

The cost of making the path.

Formula used:

$\green{\fbox{\sf{Perimeter of equilateral ∆ = Side × 3}}}$

Answer:

∵ Perimeter of the path = 105m

Cost of making the path = 105×70

Hence, the cost of making the path is ₹7,350.

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