" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a+b=1,2dm=12cm
h=12cm-5cm=7cm
P=12cm*7cm/2=42cm²
P= ½ x (a+b) x h
h= 1,2dm - 5 cm = 7 cm
wiec
P=½ x 12 cm x 7 cm
P=42 cm²