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Maharashtra State BoardSSC (English Medium) 9th Standard

In the given figure, in ΔABC, seg AD and seg BE are altitudes, and AE = BD. Prove that seg AD ≅ seg BE. - Geometry

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Question

In the given figure, in ΔABC, seg AD and seg BE are altitudes, and AE = BD. Prove that seg AD ≅ seg BE.

Sum

Solution

Given: In ΔABC, seg AD and seg BE are altitudes, and AE = BD.

To prove: seg AD ≅ seg BE.

Proof:

In ΔADB and ΔBEA,

∠ADB ≅ ∠BEA        ...[Each 90]

seg BD ≅ seg AE        ...[Given]

seg AB ≅ seg BA        ...[Common side]

By hypotenuse side test,

∴ ΔADB ≅ ΔBEA    

∴ seg AD ≅ seg BE    ...[c.s.c.t.]

Hence proved.

shaalaa.com
Properties of inequalities of sides and angles of a triangle
  Is there an error in this question or solution?
Chapter 3: Triangles - Practice Set 3.4 [Page 44]

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