9. D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD=2cm,BD=3cm
BC=7.5cm and DE is parallel to BC, find DE.
Answers
Answered by
1
Answer:
By Triangle Proportionality Theorem we can proof that-
▲ABC Similar to ▲ADE
Therefore-
AB/AD = BC/DE
5/2=7.5/DE
DE= (2x7.5)/5
DE=3cm
Similar questions