Oblicz Długość i wysokość równoległoboku opuszonej na bok mając dane :
a) a=4cm P=28cm²,
b) a=8cm P-64cm²,
a=4cm
P=28cm²
P=ah
28cm²=4cm*h|:4cm
h=7cm
a=8cm
P=64cm²
64cm²=8cm|:8cm
h=8cm
P=a*h
h=P/a
P=28cm^2
h=28cm^2 : 4cm = 7cm
P=64cm^2
h=64cm^2 / 8cm = 8cm
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a=4cm
P=28cm²
P=ah
28cm²=4cm*h|:4cm
h=7cm
a=8cm
P=64cm²
P=ah
64cm²=8cm|:8cm
h=8cm
P=a*h
h=P/a
P=28cm^2
a=4cm
h=28cm^2 : 4cm = 7cm
P=64cm^2
a=8cm
h=64cm^2 / 8cm = 8cm