Question

qual a área de um losango, sabendo que sua diagonal maior mede 15 cm e a diagonal menor mede 12 cm

Answer 1

$A=\dfrac{D\cdot d}{2}\\\\\\\text{D=Diagonal Maior}\\\\\text{d=Diagonal Menor}\\\\\\A=\dfrac{15\cdot12}{2}=15\cdot6=90\ cm^2$

Answer 2

Oie, Td Bom?!

$A = \frac{D \: . \: d}{2}$

$A = \frac{15 \: . \: 12}{2}$

$A = \frac{180}{2}$

$A = 90 \: cm {}^{2}$

Att. Makaveli1996