Angles on a Straight Line
Angles on a Straight Line
If the sum of two adjacent angles is , they are said to form a linear pair.
and
are linear pair of angles and their sum is
i.e.,
Illustration : In the following figure are adjacent angles.Whether they form a linear pair or not and name the straight line if formed ?
Solution: As 140+40 = 180 Hence the given pair forms a pair of linear angles and AOC is a straight line.
Illustration : It is given that and XY is produced to a point P. Draw a figure from the given information. If ray YQ bisects
find
and reflex
Solution: It is given that ray YQ bisects
|
 |
Find the missing angle in the following diagram
| |||
| Right Option : C | |||
| View Explanation | |||
In the given figure AOB is a straight line.Find (i) (ii)
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| Right Option : B | |||
| View Explanation | |||
In the given figure, find the value of | |||
| Right Option : C | |||
| View Explanation | |||
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