Jak mam to rozwiązać?
a=7cm
h=4cm
e=8cm oblicz 2 przekątne Rombu
z goryy dzieki ;)
P = a * h
P = 7 * 4 = 28cm^2
P =1/2 * e * f
28 = 1/2 * 8 * f
28 = 4 * f
f = 28 : 4
f= 7cm -------- odpowiedź
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P = a * h
P = 7 * 4 = 28cm^2
P =1/2 * e * f
28 = 1/2 * 8 * f
28 = 4 * f
f = 28 : 4
f= 7cm -------- odpowiedź