Proof for Validity of Construction of an Angle of 60 Degrees
For making an...
Question
For making an angle of 105∘, you need to construct a 60∘ angle too.
A
True
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B
False
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Solution
The correct option is A
True
A 105∘ angle can be constructed by drawing a bisector between 120∘ angle arm and 90∘ arm as shown in the figure below. But it can be seen clearly that for making 120∘ and 90 ∘ angles, one needs to make a 60∘ angle first. In the image given, ∠DAB will be 60∘ .