Question

In the figure above, triangle ABC is similar to triangle ADE. If side AC = 4 cm, side CE = 2 cm and side BC = 3 cm, then what is the measure of side DE?

Answer 1

see from the property of similiar triangles , u can tell that Ac/BC = AE/DE rite?

Answer 2

yea

Answer 3

ok and u can see that AE = AC+ CE :) now u can just substiture the value of AE in the above equation

Answer 4

and can find the value of DE, got it?

Answer 5

Hope its clear, the answer shud be 4.5cm :)