Question

Q. 4) Find the area of an equilateral triangle with side 2√3 cm.​

Answer 1

Answer:

3√3/2

Step-by-step explanation:

side of equilateral triangle= 2√3

area of equilateral triangle= √3/4×side²

= √3/4×(2√3)²

=√3/4×6

=3√3/2

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Answer 2

Step-by-step explanation:

Area of equilateral triangle=

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

a= 2root 3

Area=

$\frac{ \sqrt{3} }{ \: 4 } \times {2 \sqrt{3} }^{2}$

$\frac{ \sqrt{3} }{4} \times 12$

$= 3 \sqrt{3}$

=3*1.732

=5.196