is an isosceles triangleAABC and ADBC are two isosceles triangles on t – InterviewSolution

InterviewSolution

1.

is an isosceles triangleAABC and ADBC are two isosceles triangles on thesame base BC (see figure). Show that ZABDBZACD

Answer»

In ∆ABCangle ABC = angle ACB ......(1)In ∆BCDangle DBC = angle DCB.......(2)

adding (1) and (2) ABC + DBC = ACB + DCBangle ABD = angle ACD

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