Question

Area of equilateral triangle with side 90cm

Answer 1

3507.4cm

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Answer 2

Answer:

3507.3 square centimetres

Step-by-step explanation:

Given -

the side of equilateral triangle = 90 cm.

We know that-

Area of equilateral triangle = √3/4( side)^2

= 1.732/4 (90)^2

= 0.433 (90)^2

= 0.433 * 8100

= 3507.3 square centimetres

or 0.35 square metres