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P=91 cm²
a=7cm
h=P:a
h=91cm²:7cm
h=13 cm
Jaką długość ma wysokość opuszczona na ten bok?
P=91 cm²
a=7cm
h=?
P=ah
h=P/a
h=91/7
h=13 cm
a = 7
p = a*h
91 = 7 * h | :7
h = 13