In fig triangle ABC is Similar to triangle MNO, D is the Midpoint of AC and P is the mid point of side MO prove that
1)prove Triangle ABC is similar to triangle MNP
2) BD/NP=AB/MN
(Hint:for similar triangles the ratio of corresponding medians is equals to tge ratio of corresponding sides.)
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In fig triangle ABC is Similar to triangle MNO, D is the Midpoint of AC and P is the mid point of side MO.
- Given,
- Δ ABC ~ Δ MNO
- D is the mid point of AC ⇒ AD = DC
- P is the mid point of MO ⇒ MP = PO
- 1) To prove Δ ABC ~ Δ MNP
- In Δ ABC and Δ MNP
- AB = MN ( given )
- AD = MP ( we have proved above )
- ∠ BDA = ∠NPM ( angles of congruent sides are equal )
- By SAS theorem, we have,
- Δ ABC ~ Δ MNP
- 2) To prove BD/NP=AB/MN
- as we have already proved that, Δ ABC ~ Δ MNP, we have
- BD = NP (as D and P are the mid-points of similar triangles)
- AB = MN (corresponding sides of similar triangles are same)
- ∴ BD/NP=AB/MN
- (as for similar triangles the ratio of corresponding medians is equals to the ratio of corresponding sides. )
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