are the diagonals of the parallelogram bisect the angles?(other than square and rhombus).

Asked by  | 7th Nov, 2009, 07:42: PM

Expert Answer:

consider parallelogram ABCD, diagonal AC.

intriangles ABC, ADC,


AD=BC..opp sides of paralelogram

AC=AC common

so triangles are congruent.. SSS

angle BAC=angle DAC..CPCT

So the diagonal bisects the angle of the parallelogram.

simly you can prove of other angles.

Answered by  | 7th Nov, 2009, 09:43: PM

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