Question

find x in the follwing​

Answer 1

Step-by-step explanation:

in triangle ABC angleB =angleAOB

angleBOA=angleCOD

now in triangle COD

angleC=angleD

now,

angleC + angleD + angle COD = 180

2x+2x+3x+10 = 180

=> 7x= 180-10

7x = 170

x = 170/7