Question 1 - Construct angle 90 degree - Chapter 11 Class 9

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Question 2 - Construct angle 45 degree - Class 9 Constructions

Question 4 - Construct triangle XYZ - angle Y = 30, Z = 90, XY + YZ+ZX

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Question 4 (ii) - Construct 105° and verify it using protractor

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Class 9, Chapter 11