Oblicz pole powierzchni prostopadłościanu o wymiarach
a) 1m x 6m x 7m
b) 4cm x 4cm x 7cm
c) 11cm x 9cm x 3cm
d) 3m x1 dm x 2 m
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) 2*1*6+2*6*7+2*7*1=12+84+14=110 m2
b)2*4*4+2*4*7+2*4*7=32+56+56=144 cm2
c)2*11*9+2*9*3+2*3*11=198+54+116=366 cm2
d)2*300*10+2*10*200+2*300*200=6000+4000+120000=130000 cm 2
130000cm2=13m2