Hello sir ,in question 8 it is given that it is cylic quadrilateral and we have to prove it a rectangle,according to the property of the rectangle,it is parallelogram so my doubt is that -why dont you prove it a parallelogram first and then that a rectangle rectangle
I study in class 9 i am having doubt in chap 8 , ques 4... At the last of this ques you have given only the value of angle OAB as 90°. But we have to give the value of 90° for all the angles and the .. ANGLES ARE AOB , BOC , COD , AOD AS 90°