Question

Aflati aria unui patrat cu diagonala de 4 cm

Answer 1

diagonala=l√2⇒latura=$\frac{diagonala}{ \sqrt{2} }$=$\frac{4}{ \sqrt{2} }$=$\frac{4 \sqrt{2} }{2}$=$2 \sqrt{2}$
Aria=$l^{2}$=$( 2\sqrt{2}) ^{2}$=8

Sper ca te-am ajutat!

Answer 2

d = l√2 deci
 latura= 2√2

aria= l²= (2√2)²= 8cm