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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 |
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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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