P = 34cm^2
h = 4cm
P = a * h
34 = a * 4
34/4 = a
a = 8 i 2/4 = 8,5cm -------- bok równoległoboku
Ob = 33cm
2 * a + 2 * b = 33
17 + 2b = 33
2b = 33 - 17
2b = 16
b = 8cm
odp. a = 8,5cm b = 8cm
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P = 34cm^2
h = 4cm
P = a * h
34 = a * 4
34/4 = a
a = 8 i 2/4 = 8,5cm -------- bok równoległoboku
Ob = 33cm
2 * a + 2 * b = 33
17 + 2b = 33
2b = 33 - 17
2b = 16
b = 8cm
odp. a = 8,5cm b = 8cm