1.

in a rectangle ABCD BM and DN are perpendiculars from B and D respectively on AC shows that triangle B and C congruent to triangle DNA​

Answer»

In triangle BMC and triangle DNA

BC =AD(opposite sides of RECTANGLE are equal)

Angle BCM=Angle MAD(Alternate angles)

Angle BMC =Angle DNA (BM and DN perpendicular to AC)

THEREFORE triangle BMC congruent to triangle DNA

Therefore BM =DN (CPCT)



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