ABC and DBC are both isosceles triangles on a common base BC such that A and D lie on the - Maths - Congruence of Triangles

Question

ABC and DBC are both isosceles triangles on a common base BC
such that A and D lie on the same side of BC Are triangles ADB and
ADC congruent ? Which condition do you use ? If angle BAC = 40
degrees and angle BDC = 100 degrees ; then find angle ADB

Manmeet Singh · Accepted Answer

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https://www meritnation
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ABC and DBC are both isosceles triangles on a common base BC such that A and D lie on the same side of BC. Are triangles ADB and ADC congruent ? Which condition do you use ? If angle BAC = 40 degrees and angle BDC = 100 degrees ; then find angle ADB.