Question

find out the value of all angles​

Answer 1

Answer:

Step-by-step explanation:

let us assume that AOP + POD+ DOB=180

90 + 30+ DOB=180

120 +DOB=180

DOB=180-120

       =60;

Now, COB+ BOD=180( linear pair)

        COB+60=180

         COB=180-60

                 =120;

Now AOC+COB=180(linear pair)

AOC+120=180

AOC=180-120

       =60; Hence proved

Answer 2

Answer:

the right angle is 180

angle DOP+angle BOD=90

=30+X=90

=X=90-30

=X=60\

the angle AOP is 90

the line COD IS STRAIGHT LINE its sum is 180

th angle COA+angle AOP+angle DOP=180

     =X+90+30=180

     =X+120=180

     =X=180-120

       X=60

the angle COA is 60

the line AOB also a straight line

angle AOC+angle BOC=180

                   30+X=180

                   X=180-30

                  X=150

the angle BOC is 150

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