Question

If a ray stands on a line then the sum of the adjacent angle so formed is ???

Answer 1

The answer is given below :

When a ray stands on a line, two adjacent angles are formed.

We know that the angle lying on a straight line is 180°.

The two angles being adjacent, make a total angle of 180° on the straight line.

Another way, we can see since the ray stands on the straight line, we can consider it is a perpendicular line.

Thus, the two adjacent angles are right angles.

So, the total angle

= 90° + 90°

= 180°

(Referred to the given attachment.)

Thank you for your question.

Answer 2

Answer:180°

Step-by-step explanation: it's because the line has a angle of 180° so when another line is added it stays as 180°

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