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P=¹/₂*(a+b)*h
h=?
a+b=32cm
P=96cm²
96cm²=¹/₂*32cm*h
96cm²=h*16cm
96cm²:16cm=6cm
Mam nadzieje ze pomoglam ;)
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p=96cm²
(a+b)=3,2 dm=32cm
96cm²=½*32cm*h
96cm²=16cm+h
96cm²/ 16cm=h
h=6cm
Wysokość trapezu wynosi 6cm.