Question

aflați aria unui patrat cu latura de : a) 8 cm b) 3/1 4
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Answer 1

Salut!

$\bf{ \red{aria \: patratului = {latura}^{2} } }$

a) latura = 8 cm

✏ $\bf{aria \: = {8}^{2} = 64 {cm}^{2} }$ ✔

b) latura = $\frac{3}{14}$

✏ $\bf{ \blue{aria = ( { \frac{3}{14} }^{2}) = \frac{81}{196} {cm}^{2} } }$ ✔

Answer 2

■ Răspuns:

a)A = l^2 = (8cm)^2 = 64 cm^2

b) 3 1/4 = (3×4+1)/4 = 13/4 cm

A = (13/4cm)^2 = 169/16 cm^2