A triangular flower bed in a public park has side lengths ,

MATHEMATICS · Subjective · CBSE · Mathematics · Heron's Formula · Heron's Formula

Problem

A triangular flower bed in a public park has side lengths 13 m13\,\text{m}, 14 m14\,\text{m}, and 15 m15\,\text{m}. (a) Find the area of the flower bed. (b) The gardeners wish to cover the entire flower bed with decorative pebbles. If the pebbles cost Rs 55 per square metre, calculate the total amount of money required.

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