" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
P= 53cm*H/2=318 cm²
H=12cm
Pole trójkata 1/2*|CD|*H= 150cm²
P trapezu=1/2(a+b)*h
318=1/2(28+25)*h
318=1/2*53*h
h=318*2:53
h=12 cm
Ptrójkąta=1/2*25*12
P=25*6
P=150 cm²