Question

In Fig. 13.29, D and E are the mid-points of the sides AB and AC respectively of a ΔABC. If BC = 10 cm; find DE.

Answer 1

Answer:

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Step-by-step explanation:

From the mid point theorem.. We know that the line joining the middle point of one side of a triangle to the middle point of second side,then the line will be parallel to the third one and will be half of the third line....

So therefore DE will be parallel to BC... DE||BC

and BC=2DE

DE=BC/2=10/2=5cm