prove that the area of a triangle is four times the area of the triangle formed by joining the mid-points of its sides.

Prove that the centroid of any triangle is the same as the centroid of the triangle formed by joining the middle points of its sides

If Delta_(1) is the area of the triangle formed by the centroid and two vertices of a triangle Delta_(2) is the area of the triangle formed by the mid- point of the sides of the same triangle, then Delta_(1):Delta_(2) =

Fill in the blanks to make the following statements correct The triangle formed by joining the mid-points of the sides of an isosceles triangle is .... The triangle formed by joining the mid-points of the sides of a right triangle is .......... The figure formed by joining the mid-points of consecutive sides of a quadrilateral is ....

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 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 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 area of the triangle formed by three points on a parabola is how many times the area of the triangle formed by the tangents at these points?

Prove that a line drawn from the vertex of a triangle to its base is bisected by the line joining the mid points of the remaining two sides of the triangle.

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

Prove that three times the sum of the squares of the sides of a triangle is equal to four times the sum of the squares of the medians of the triangle.