FORMULAE Cylinder Curved surface area of cylinder = 2Πrh Total surface area of cylinder = 2Πr(h + r) Volume of cylinder = Πr2h Cone Curved surface area of cone = Πrl Total surface...
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...