Odpowiedź:
[tex]\displaystyle P_r=\frac{1}{2} d_1d_2\\d_1=1,6dm=16cm\\d_2=2\cdot16=32cm\\P=\frac{1}{2} \cdot16\cdot32=256cm^2[/tex]
1,6dm • 2 = 3.2
wzór na pole rombu:
[tex] \frac{e \times f}{2} [/tex]
e = 1,6dm
f= 3,2dm
[tex] \frac{1.6 \times 3.2}{2} = \frac{5.12}{2} = 2.56[/tex]
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Verified answer
Odpowiedź:
[tex]\displaystyle P_r=\frac{1}{2} d_1d_2\\d_1=1,6dm=16cm\\d_2=2\cdot16=32cm\\P=\frac{1}{2} \cdot16\cdot32=256cm^2[/tex]
1,6dm • 2 = 3.2
wzór na pole rombu:
[tex] \frac{e \times f}{2} [/tex]
e = 1,6dm
f= 3,2dm
[tex] \frac{1.6 \times 3.2}{2} = \frac{5.12}{2} = 2.56[/tex]