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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.
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Properties of inequalities of sides and angles of a triangle
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