Imporatant question

CLASS-IX Prove that cyclic parallelogram is rectangle. angles of a quadrilateral are in the ratio 2:3:4:6.find the angles. which of the following is not congruence criteria-  ASA SSS AAA RHS prove that perpendicular drawn from the center to chord bisects the chord.

CLASS-IX REVISION QUESTION Construct the following angle- 75o 105o 45/2 Construct a triangle whose perimeter is 13 cm and <B=45 and <C=60 . If a parallelogram and a triangle lie on same base and between same parallels then prove that area of parallelogram is double of area of triangle. Prove that equal chords of a circle subtend equal angle at the center.

CLASS-IX DATE:3-1-2020 REVISION QUESTION FOR PT-II 1-MARK QUESTION A point whose distance from the centre of the circle is less than the radius of the circle lies inside/outside/boundary of the circle. The sides of a triangle are in the ratio 3:4:5 .If its perimeter is 36 cm,find its area? A chord of a circle is equal to its radius.Find the angle subtended by the chord at major/minor arc. The base and hypotenuse of a right angled triangle are 24 cm and 26 cm respectively.find the area of triangle. The area of an equilateral triangle is 4.what is its side. 2-MARK QUESTION F ind the area of an isosceles triangle with two equal sides as 5 cm each and the third side is 8 cm. In a parallelogram ABCD ,AE is perpendicular to DC and CF is perpendicular to AD.If AB=10 cm,AE=6 cm and CF= 8 cm then find the length of AD. The sides of a triangular   plot are in the ratio 3:5:7 and its perimeter is 300 cm .Find its area. Show that median of a triangle divide it into two triangle