find the area of an equilateral triangle of side length 20 cm
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Answer:
area of an equilateral triangle of side length 20 cm=√3/4(side)^2
=√3/4(20)^2
=√3/4×20×20
=100√3
=100×1.73
=173cm^2
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Answer:
100√3 is the answer of this question
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