Question

The area of an equilateral triangle with side 10cm is
$28242515185582443 \div 4422695566654224586328$
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Answer 1

According to the formula of Equilateral triangle

$= \frac{ \sqrt{3} }{4} \times {a }^{2} \\ put \: the \: given \: lenght \\ \\ = \frac{ \sqrt{3} }{4} \times {10}^{2} \\ \\ = \frac{ \sqrt{3} }{4} \times 100 \\ \\ = \sqrt{3} \times 25 \\ = 25 \sqrt{3}$