oblicz pole trapezu o podanych podstawach a i b oraz wysokosci h.
a-3cm b-8cm h-7cm
p= 1/2 (a+b) ·h
p=1/2·7cm·(3cm+8cm)
p=38.5cm²
P = 3 cm + 8cm * 7cm : 2 = 38,5 cm ²
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p= 1/2 (a+b) ·h
p=1/2·7cm·(3cm+8cm)
p=38.5cm²
P = 3 cm + 8cm * 7cm : 2 = 38,5 cm ²