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
|
 |
The value of x in the following figure is | |||
| Right Option : C | |||
| View Explanation | |||
What value of 'x' will make POQ a straight line.
| |||
| Right Option : C | |||
| View Explanation | |||
In the given figure,AOB is a straight line.Find the value of 21y+3x .
| |||
| Right Option : A | |||
| View Explanation | |||
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