1.Pole figury F1 wynosi 30cm^{2}.Znajdź pole figury F2 podobnej do figury F1 w skali:
A-
B-
pole figury F1 wynosi P1=30cm²
pole figury podobnej F2 wynosi =P2
k=1/3 to k²=1/9
P2/P1=k²
P2/30=1/9
30·1=9P2
P2=30/9=10/3 cm²
k=3/2 to k²=(3/2)²=9/4
P2/30=9/4
9·30=4·P2
270=4P2
P2=270/4 =135/2 cm²
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
pole figury F1 wynosi P1=30cm²
pole figury podobnej F2 wynosi =P2
k=1/3 to k²=1/9
P2/P1=k²
P2/30=1/9
30·1=9P2
P2=30/9=10/3 cm²
k=3/2 to k²=(3/2)²=9/4
P2/P1=k²
P2/30=9/4
9·30=4·P2
270=4P2
P2=270/4 =135/2 cm²