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pole=½×6h
48=½×6h
h=48:3
h=16 i tyle ma wysokość
Więc:
(12cm * 8cm)/2 = 96cm /2 = 48cm²
Wysokość opuszczoną na bok |CB| obliczamy:
48cm² * 2 / 6cm = 96cm² / 6cm = 16cm