" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b=4,7cm
c=0,2dm=2cm
P1=ab
P1=2,5cm × 4,7cm
P1=11,75cm²
P2=ac
P2=2,5cm × 2cm
P2=5cm²
P3=bc
P3=4,7cm × 2cm
P3=9,4cm²
Pc=2×P1 + 2×P2 + 2×P3
Pc=2 × 11,75 + 2 × 5 + 2 × 9,4
Pc=23,5 + 10 + 18,8
Pc=52,3(cm²)
2,5 cm x 4,7 x 2 cm = 23,5 cm