Question

If (2x-1)degree

and (2x-19)degree

form a linear pair , find the value of x . with formula ​

Answer 1

Given

2x-1 & 2x-19 forms a linear pair i.e 180°

=> 2x-1 + 2x-19 = 180

=> 4x-20 = 180

=> 4x = 180+20

=> 4x = 200

=> x = $\mathsf{\frac{200}{4}}$

=> x = 50°