Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Two adjacent sides of cyclic quadrilateral are 2 and 5 and the angle between them is 60 degree . its third side is 3 , the fourth side is

Two adjacent sides of cyclic quadrilateral are 2 and 5 and the angle between them is 60 degree . its third side is 3 , the fourth side is

Answers (1)

best_answer

Solution:   If x is the fourth side , then

                 Rightarrow    2^2+5^2-2cdot 2cdot 5cos 60^circ=x^2+3^2+2xcdot 3cos60^circ

               Rightarrow                 x^2+3x-10=0Rightarrow x=2.

Posted by

Deependra Verma

View full answer

Similar Questions

Latest Question