Mathematics

Fill in the blanks so as to make the following statements true:
A ray stands on a line, then the sum of the two adjacent angles so formed is .....


ANSWER

$$180^{\circ}$$


SOLUTION
$$\Rightarrow$$  A ray stands on a line, then the sum of the two adjacent angles so formed is $$180^o$$.
$$\Rightarrow$$  The statement talks about two adjacent angles forming a linear pair and we know that sum of linear pair is $$180^o.$$
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