Q2 of 45 Page 475

Which of the following angles can be constructed using ruler and compass only?

We can make 135° by drawing 90° and 45°. On bisecting 135°, we get 67.5°. Hence, 67.5° can be drawn using ruler and compass.

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14

Construct a ΔABC in which BC = 5.2 cm, ∠B = 30° and the difference of the other two sides is 3.5 cm.

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Which of the following angles can be constructed using ruler and compass only?

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

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