In a ∆ABC, AB = 3cm, BC = 4cm and CA = 5cm. If D and E are mid-points of AB and BC respectively,
then the length of DE is
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Answer:
2.5
Step-by-step explanation:
Mid-Point Theorem :
The line segment joining the mid-points of two sides of a triangle is parallel to the third side and equal to half the third side.
On applying the midpoint theorem, we get
DE= 2/AC
DE=2/5
hence, DE=2.5
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