Question

in angle ABC, if D is mid point and DE ||BV, AC=10cm . find length of AE​

Answer 1

Answer:

The line segment going the mid point of any two sides of a triangle

is parallel to third side and is half of it.

∴DE=

2

1

BC,

AC

2

+BC

2

=AB

2

BC=

AB

2

−AC

2

=

100−36

BC=

64

,BC=8

DE=

2

1

BC=

2

1

(8)=4cm