Question

If ∥ Find the value of x​

Answer 1

Answer:

21o

Step-by-step explanation:

Here l∥m and p is transversal

Therefore (3x+20)o+(5x−8)o=180o (sum of the interior angles on the same side of a transversal)

3x+20o+5x−8o=180o

8x+12o=180o

8x=180o−12o

8x=168o

x=8168o​=21o