Odpowiedź :
1. a = 7cm
h = 80mm = 8cm
P = a*h
P = 7cm*8cm = 56cm²
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2. a = 11cm
P = 99cm²
h = ?
P = a*h
h = P : a
h = 99cm² : 11cm = 9cm
Liczę na naj
1. a = 7cm
h = 80mm = 8cm
P = a*h
P = 7cm*8cm = 56cm²
-------------------------------------
2. a = 11cm
P = 99cm²
h = ?
P = a*h
h = P : a
h = 99cm² : 11cm = 9cm
Liczę na naj