" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
0,8m = 80cm
(5cm × 30cm) × 2 + (5cm × 80 cm) × 2 + (80cm × 30 cm) × 2 =
= 600cm² × 2 + 400cm² × 2 + 2400cm² × 2 = 1200cm² + 800cm² + 4800cm² =
= 6800 cm² = 68dm² = 0.68m²
bok b = 3 dm
bok c = 0,5 dm
8x3=24x2=48dm
3x0,5=1,5dmx2dm=3dm
8x0,5=4x2=8dm
48dm+3dm+8dm=59dm (oczywiście kwadratowych)