Question

Which of the following angles cannot be constructed using ruler and compass only?

(a) 22.5 (b) 15 (c) 52.5 (d) 32.5

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Answer 1

Answer:

the following angles cannot be constructed using ruler and compass only?

(a) 22.5

Answer 2

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22.5

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With the help of a ruler and a compass, we can construct the angels, 90°, 60°, 45°, 22.5°, 30° etc., and its bisector of an angle. So, it is not possible to construct an angle of 40°