Question

13 С X 0 50° D A OB I AD , morga x =?

​

Answer 1

Answer:

x+90°+50°=180° ( linear pair)

x+140°=180°

x=180°-140°

x=40°

Answer 2

ans=40

solve=

angle OBA=90

we know,angle COB+ angle BOA+AOF=180

X + 90 + 50 = 180

X + 140 = 180

X=180-140

X=40