. In triangleABC,AB = 5 cm, BC = 8 cm and CA = 7 cm. If D and E are respectively the mid-points of AB and BC, determine the length of DE.
Answers
Answered by
2
Mid-Point Theorem :
The line segment joining the mid-points of two sides of a triangle is parallel to the third side and equal to half the third side.
On applying the midpoint theorem, we get
DE=
2
AC
=
2
7
=3.5cm
Similar questions