Q.

The measure of the angle of a straight line is


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a

90 °  

b

180 °  

c

125 °  

d

360 °   

answer is B.

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Detailed Solution

Here, we have to find the measure of the angle of a straight line.
As we know that a straight angle is equal to 180 ° .  
Hence, the angle of the measure of a straight line is 180 ° .  
Thus, option (2) is correct.
 
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