e = 8 cmf = ?P = 56 cm²P = e * f
256 cm² = 8 x f / 2f = 56 : 8 = 7
myslę ze bedzie dobrze
P= e*f/2
58=8*f/2 *2
116=8f / :8
g=14,5 cm
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e = 8 cm
f = ?
P = 56 cm²
P = e * f
2
56 cm² = 8 x f / 2
f = 56 : 8 = 7
myslę ze bedzie dobrze
P= e*f/2
58=8*f/2 *2
116=8f / :8
g=14,5 cm