Question

The adjacent angles of a parallelogram are in (4x+5) degree and (8x-5)degree. Then the value of X​

Answer 1

Answer:

the sum of the adjacent angles of a parallelogram

is 180°

so,

(4x+5)+(8x-5)=180

=> 4x+5+8x-5=180

=> 12x=180

=> x=180/12=15

the value of x is 15