State basic proportionality theorem and its converse.

State the 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.

State and prove Basic proportionality theorem

State and prove basic Proportional theorem.

(a) State the basic proportionality theorem. (b) state the mid-point theorem. © State pythagoras theorem. (d) State the conditions for similarity of two triangles.

State Pythagoras theorem and its converse.

State Pythagoras theorem and its converse.

State Pythagoras theorem and its converse.

State Pythagoras theorem and its converse.

Similarity OF triangles || Basic proportionality theorem (Thales theorem) || Discussion OF examplar question || Ex- 6.2, theorem 6.1, 6.2 proOF