Question

como calcular a area do triangulo equilatero com lados 10 cm

Answer 1

A = ( L^2√3 ) / 4

A = ( 10^2√3 ) / 4

A = 100√3 / 4

A = 25√3 cm^2

Answer 2

$= ( \frac{l ^{2} \sqrt{3} }{4} ) \\ \\ a = \frac{10 ^{2} \sqrt{3} }{4} \\ \\ a = \frac{100 \sqrt{3} }{4} \\ \\ a = 25 \sqrt{3cm^{2} }$