Question

find the area of eqilateral triangle of side 4 cm

Answer 1

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Hi ,

Let the side of an equilateral triangle

= a = 4 cm

Area = A = ( √3/4 ) × a²

A = ( √3/4 ) × 4²

A = ( √3 × 4 × 4 ) / 4

A = 4√3 square cm

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