Question

plizzzz dau coroana.
Urgent!!!!!!​

Answer 1

P pătrat = 4*l

a. l = 7/8 => P pătrat = 4* 7/8 = 1* 7/2 = 7/2 =3.5

b. l =(1*4+3)/4 = 7/4 => P pătrat = 4 *7/4 = 7

Answer 2

Răspuns:

$\\ \:a) \: P \: □ = \: \frac{7}{8} \times 4 = \frac{7}{2} = 3 \frac{1}{2} = 3.5 \\ \\ b) \: P \: □ \: = 1 \frac{3}{4} \times 4 = \frac{1 \times 4 + 3}{4} \times 4 = \frac{7}{4} \times 4 = 7$