A park manager has of fencing and considers two triangular layouts for a flower plot

MATHEMATICS · Multi-part · CBSE · Mathematics · Heron's Formula · Heron's Formula

Problem

A park manager has 60 m60\,\text{m} of fencing and considers two triangular layouts for a flower plot. Layout I: An equilateral triangle using the entire fencing. Layout II: A triangle with sides 18 m18\,\text{m}, 20 m20\,\text{m} and 22 m22\,\text{m}. Answer the following: (a) Verify that both layouts use exactly 60 m60\,\text{m} of fencing. (b) Find the area of Layout I. (c) Find the area of Layout II. (d) Which layout provides the larger planting area? State the difference between the two areas correct to one decimal place.

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