Question

in the given figure angle a o d is equals to X + 10 degree and c o b is equals to X+20 degree find angle DOC when AOB is a straight line​

Answer 1

The figure will be as shown,

Given, angle AOC = (2x - 10°) and angle BOC = (3x + 20°) also, AOB is a straight line.

The sum of two angles on a straight line is 180° .

As, AOB is a straight line ;

=> angle AOC + angle BOC = 180°

=> (2x-10) + (3x+20) = 180

=> 2x - 10 + 3x + 20 = 180

=> 5x + 10 = 180

=> 5x = 180 - 10

=> 5x = 170

=> x = 170/5

=> x = 34 Answer.

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Answer 2

Answer:

See the attachment for answer.