CBSE Class 9 Math: Ten Important Questions 1. ABCD is a rhombus and P, Q, R, S are mid-points of AB, BC, CD and DA Prove that quadrilateral PQRS is a rectangle. 2. ABCD is a rectangle and P, Q, R and...
Hey! I hope you have read the first part that is the introduction of this chapter. This is the continuation of it, so if you have not read the previous one go check it out in my lessons. STATES OF MATTER: BASIS...
Movement of any object from one position to another with respect to an observer is known as Motion. Position – Motion of any object is defined by its position with respect to the observer. Position...
The Pythagoras theorem which is also referred to as the Pythagorean theorem explains the relationship between the three sides of a right-angled triangle. According to the Pythagorean theorem, the square...