Obl.obw trapezu prostokątnego o podstawach 12 i 10 i wys 4 Musze to na jutro mieć wieć prosze o szybka odp
Ob=12+10+4+4=30
P = \frac{1}{2}*(a+b)*h
P = \frac{1}{2}*(12+10) * 4
P = \frac{1}{2}*22 * 4
P = 11*4
P = 44
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Ob=12+10+4+4=30
P = \frac{1}{2}*(a+b)*h
P = \frac{1}{2}*(12+10) * 4
P = \frac{1}{2}*22 * 4
P = 11*4
P = 44