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,
AB=CD
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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