Q1 of 45 Page 475

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

On bisecting 45°, we get 22.5°. Hence, 22.5° can be drawn using ruler and compass.

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13

Construct a ΔABC in which BC = 4.5 cm, ∠B = 60° and the sum of the other two sides is 8 cm.

 14

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

 2

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

 3

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