Question

Date
Page
In triangle ABC, D and E are the
midpoints
of AB and Ac respectively if BC=12 cms , find the measure of DE
​

Answer 1

Given :- In triangle ABC, D and E are the midpoints

of AB and Ac respectively . if BC=12 cms , find the measure of DE ?

Answer :-

According to mid point theorem we know that,

• if a line segment in a ∆ is joined the midpoint of two sides , then, it will be half of the length of the third side.

In ∆ABC, we have given that,

→ D = Mid point of AB of side ∆ABC .

→ E = Mid point of AC of side ∆ABC .

→ BC = Third side .

→ BC = 12 cm

so,

→ DE = (1/2)BC

→ DE = (1/2) * 12

→ DE = 6 cm (Ans.)

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