While dividing a segment in a given ratio, we can not draw the ray at angles ______ and _____.
A
0∘
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B
90∘
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C
180∘
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D
136∘
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Solution
The correct options are A0∘ C180∘
The ray PM can be drawn at any angle to the line segment PQ other than angles 0∘ and 180∘. If the ray PM is drawn at an obtuse angle to PQ, ∠PP4Q′ and ∠PP5Q become so small and makes the constructions difficult. So we generally draw the ray at an acute angle. When the ray is drawn at angles 0∘ and 180∘ to PQ, there will be no triangle formed with the points on ray PM and segment PQ. So while dividing a segment in a given ratio, we can not draw the ray at angles 0∘ and 180∘.