Question

28. आकृति में AB एक सरल रेखा है।
तो x का मान ज्ञात कीजिए।
In the fig, AB is a straight line.
C
D
3
650
350
Find the value of x.
A
O
B​

Answer 1

it is in straight line

angle AOC + angle COD + angle DOB = 180

65+x+35 = 180

100+x = 180

x = 180-100

x = 80

therefore x is equal to 80