L and M are the mid points of sides AB and DC respectively of parralleologram ABCD. Prove that segments DL and BM trisects diagonal AC.
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From figure,
BL = DM and BL || DM and BLMD is a
parallelogram, therefore BM || DL
From triangle ABY
L is the midpoint of AB and XL || BY,
therefore x is the midpoint of AY
.ie AX = XY .....
Similarly for triangle CDX
CY=XY .....
From and
AX = XY = CY and AC = AX + XY + CY
Hence proved.
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Answer:
Step-by-step explanation:
BL=DM and BL II DL and BLMD is a parallelogram ,therefore BM II DL
from triangle ABY
L is the midpoint of AB and XL II BY
x is the midpoint of AY ie. AX =XY .....(1)
similarly for triangle CDX
CY = XY ...(2)
from (1) and (2)
AX = XY= CY and AC = AX + XY + CY
Hence proved
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