Question

Find the area of an equilateral triangle whose side is 4 cm.​

Answer 1

Answer:

area of an equilateral triangle of side 4 cm

=√3/4.side ^2

=√3/4.4.4 sq cm

=4√3sq cm

Answer 2

Answer:

$\sqrt{ \frac{3}{4} {a}^{2} } \\ = \sqrt{ \frac{3}{4} \times 4 \times 4} \\ = \sqrt{12}$

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