Question

If the perimeter of an equilateral triangle is 60 m, then the area is

Answer 1

Answer:

perimeter = 60

side = 60/3 = 20

so , area = √3/4 × 20² = 100√3

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Answer 2

Step-by-step explanation:

$perimeter \: of \: eq. \: triangle = 60m \\ then \: side \: = 60 \div 3 = 20m \\ \\ area = \frac{ \sqrt{3} }{4} {a}^{2} = \frac{ \sqrt{3} }{4} \times {20}^{2} = \frac{ \sqrt{3} }{4} \times 400 = 100 \sqrt{3} {m}^{2}$

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