State the basic proportionality theorem.

State basic proportionality theorem.

State : Basic proportionality theorem.

State basic proportionality theorem and its converse.

State basic proportionality theorem and its converse.

State "Basic proportionality theorem"

Study the following figure. Write the ratios in relation to basic proportionality theorem and its corollarise, in terms of a, b, c and d.

Prove that a line drawn through the mid-point of one side of a triangle parallel to another side bisects the third side (Using basic proportionality theorem).

Prove that a line drawn through the mid-point of one side of a triangle parallel to another side bisects the third side (Using basic proportionality theorem).

Prove that a line drawn through the mid-point of one side of a triangle parallel to another side bisects the third side (Using basic proportionality theorem).

State and prove Basic proportionality theorem