In △ABC, D is midpoint of BC. If AD is perpendicular to BC, then △ABD ≅ △ACD by:

Type: MCQ • Marks: 1

A. ASA criterion

B. SSA criterion

C. AAA criterion

D. SAS criterion (BD = CD, ∠ADB = ∠ADC = 90°, AD = AD)

Explanation

BD = CD, included ∠ADB = ∠ADC = 90°, AD = AD => SAS criterion holds.

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Class 7th Ganita Prakash 2

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