Class 9 Maths Chapter 11 Exercise 11.1 Solutions
Q.1. Construct an angle of 900 at the initial point of a given ray and justify the construction.
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Q.2. Construct an angle of 450 at the initial point of a given ray and justify the construction.
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Q.3. Construct the angles of the following measurements:
(i) 30°
(ii) 22 ${{\frac{1}{2}}^{0}}$
(iii) 15°
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Q.4. Construct the following angles and verify by measuring them by a protractor:
(i) 75°
(ii) 105°
(iii) 135°
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Q. 5. Construct an equilateral triangle, given its side and justify the construction.
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