CBSE /Class 9
Maths MCQ Based On Constructions introduction
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CBSE Class 9 Maths Constructions introduction
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Check m and O points
We can draw any angle using protractor.
Use compass and scale to make the angle. First we have to construct a 90o angle than again a 90o to get 45o . This 90+45= 135
instrument used to construct angle bisector
40° = ½ × 20°.
Perpendicular bisector.
An angle bisector divides an angle into two equal parts.
These lines are of equal length.
It should be more than 25°.
Recall all the angles we can construct with a ruler and compass.
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