Construction of angles of 7 1/2, 15, 22 1/2, 30, 37 1/2, 45, degrees
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In an isosceles triangle, its two equal sides are 20cm each, and the angle between them is 45 degrees. What is the area of the triangle for class IX? - Quora
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What is the measure of an angle if its supplement is one-third of the measure of the angle? - Quora
How to draw an angle of 7 half and 15 degree an angle
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How to construct an angle bisector - Quora