graniastosłup prawidłowy trójkątnyy podstawa 5cz x 5cm h 10cm oblicz v i p.

a = 5 cm h = 10 cm V = Pp × h Pp = ¹/₂ah Pb = ah Pc = 2Pp + 3Pb Pp = ¹/₂× 5 × 10 Pp = 25 cm² Pb = 5 ×10 Pb = 50 cm² Pc = 2 × 25 + 3 × 50 Pc = 200 cm² V = 25 × 10 V = 250 cm³