In triangle ABC, D and E are the mid-points of sides AB and AC respectively are shown in the figure. find the length of DE
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Answer:
DE = 4.1 cm
Step-by-step explanation:
Given : ABC is a triangle
D and E are the mid point
To find : Length of DE
Proof : According to mid point theorem , The mid points joining any two sides of a triangle is parallel to the third side and is equal to half of it
= DE is parallel to BC and DE = 1/2 BC
BC = 8.2 cm (given in the question )
Then , DE = 1/2 BC
DE = 1/2 ( 8.2)
DE = 4.1
Therefore , the length of DE = 4.1 cm
Incase if the value is not given then the answer will be
DE = 1/2 BC
Hope it Helps you
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