Question

7
Find the area of an equilateral triangle with side 4 cm

Answer 1

Answer:

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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Answer 2

Step-by-step explanation:

area of equilateral triangle = √3/4 X side²

area = √3/4 X 4²

area =√3/4 x 4 x 4

area =√3x4

area = 4√3 cm²

I hope I helped u