Three parallel lines are cut by two transversals as shown in the given figure. If AB=2cm, BC=4cm and DE=1.5cm, then the length of EF is ___________.
2cm
3cm
3.5cm
4cm
A
2cm
B
3cm
C
3.5cm
D
4cm
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Solution
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Side Splitter Theorem states that,
If a line is parallel to a side of a triangle and intersect the other two sides, then this line divides those two sides proportionally.
By this,
ABBC=DEEF
⇒24=1.5EF
EF=3cm
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