Question

PQRS is a quadrilateral with  Q = 65° and  S = 105°. If  P and  R are in

the ratio 3:7, find  P and  R.​

Answer 1

P= 3x , R= 7x

P+Q+R+S= 360⁰

3x+65+ 7x + 105= 360

10x+ 170= 360

10x = 360- 170

10x = 190

x = 190/10

x= 19

therefore, P = 3x = 3(19)= 57

R = 7x = 7(19) = 133