in the figure attached the
angle 1 = angle2
CE bisects BF
BD = DF
prove that angle C = angle E
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in the figure,In triangles BCD and DEF,
side BD = side DF (given)
angle CDB = angle FDE (vertically opposite angles)
angle CBD = angle EFD (linear pair of angles)
therefore by SAA test triangle BCD is congruent to triangle DEF
THEREFORE ANGLE C = ANGLE E (CORRESPONDING ANGLES OF CONGRUENT TRIANGLES)
side BD = side DF (given)
angle CDB = angle FDE (vertically opposite angles)
angle CBD = angle EFD (linear pair of angles)
therefore by SAA test triangle BCD is congruent to triangle DEF
THEREFORE ANGLE C = ANGLE E (CORRESPONDING ANGLES OF CONGRUENT TRIANGLES)
saubia:
thank you so much for marking my ans as the best
Answered by
1
According to the figure,
Taking ΔBCD and ΔDEF,
side BD = side DF (given)
angle CDB = angle FDE (because they are vertically opposite angles)
angle CBD = angle EFD (because they linear pair of angles)
.·. According to SAA (side angle angle)
ΔBCD ≡ ΔDEF
As they are congruent
Angle C = Angle E (Hence, proved)
Taking ΔBCD and ΔDEF,
side BD = side DF (given)
angle CDB = angle FDE (because they are vertically opposite angles)
angle CBD = angle EFD (because they linear pair of angles)
.·. According to SAA (side angle angle)
ΔBCD ≡ ΔDEF
As they are congruent
Angle C = Angle E (Hence, proved)
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