12. In ABC, D and E are the mid points of sides of AC and BC. If AB =

1.	12. In ABC, D and E are the mid points of sides of AC and BC. If AB = 8.2 cm, find thelength of DE.
Answer» Answer: As D and E are the mid points of side AB and AC respectively so by Mid point theorem The LINE segment connecting the MIDPOINTS of two sides of a triangle is parallel to the THIRD side and is congruent to one half of the third side. DE=1/2BC DE=8.2/2 DE=4.1cm

12. In ABC, D and E are the mid points of sides of AC and BC. If AB = 8.2 cm, find thelength of DE.

Answer»

Answer:

As D and E are the mid points of side AB and AC respectively

so by Mid point theorem

The LINE segment connecting the MIDPOINTS of two sides of a triangle is parallel to the THIRD side and is congruent to one half of the third side.

DE=1/2BC

DE=8.2/2

DE=4.1cm

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12. In ABC, D and E are the mid points of sides of AC and BC. If AB = 8.2 cm, find thelength of DE. ​

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12. In ABC, D and E are the mid points of sides of AC and BC. If AB = 8.2 cm, find thelength of DE.