In figure, A-D-C and B-E-C seg DE side AB. If AD = 5, DC = 3, BC = 6.4 then find BE.
Ad = 4
BC = 6.4
Dc = 3
then find BE =?
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Answered by
4
Answer:
given:
AD=5
DC= 3
BC=6.4
In triangle ABC , DE||AB
=CD /DA=CE/EB(by basic proportionality theorem)
=> 3/5=6.4-x/x
3x=32-5x
8x=32
x=4
Answered by
11
BE = 4units
Since, AB||DE
=> AD/AC =BE/EC
=>5/8 = X/6.4
BY CROSS MULTIPLICATION
5 x 6.5 = 8 x X
=> 32 =8X
=>X = 4
i.e., BE = 4units
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