Question

in a parallelogram PQRS,P=(4x-5)0 and R=(3x+10).Find all the angles of a parallelogram​

Answer 1

(4x-5) + (3x+10) = 180

7x + 5 = 180

7x = 180 - 5

7x = 175

x = 175 / 7

x  = 25

Then put the value in the question, you will get the answer