it's congruency of triangles
please solve fast
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Answer:
mc=dm given
amc=bmd vertically opposite
am=bm given
Answered by
1
Answer:
In ∆ACM and ∆BDM,
AM = BM (given)
angle AMC = angle BMD (verticals opposite angles)
CM = DM (given)
:. By SAS congruence criterion
∆MAC ~= ∆MBD
AC = BD (CPCT)
angleCAM = angleMBD (CPCT)
angleMCA = angleMDB (CPCT)
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