In a ` A B C` , find the measures of the angles of the triangle formed by joining the mid-points of the sides of this triangle.

In a hat harr ABC, find the measures of the angles of the triangle formed by joining the mid- points of the sides of this triangle.

In a triangle ABC find the measures of all the angles of the traingle formed by joining the mid points of the sides of this triangle.

In a triangle /_a b c ,\ /_A=50^0,\ /_B=60^0a n d\ /_C=70^0 . Find the measures of the angles of the triangle formed by joining the mid-points of the sides of this triangle.

In a triangle /_a b c ,\ /_A=50^0,\ /_B=60^0a n d\ /_C=70^0 . Find the measures of the angles of the triangle formed by joining the mid-points of the sides of this triangle.

The vertices of a Delta ABC are A (-5,-1), B (3,-5) , C (5,2). Show that the area of the Delta ABC is four times the area of the triangle formed by joining the mid-points of the sides of the triangle ABC.

The vertices of a Delta ABC are A(-5,-1) B(3.-5) , C-(5.2).Show that the area of the DeltaABC is four times the area of the triangle formed by joining the mid-points of the sides of the triangle ABC.

In /_\ A B C ,\ /_A=30^@,\ /_B=40^@a n d\ /_C=110^@ . The angles of the triangle formed by joining the mid-points of the sides of this triangle are