Angles are formed when two lines meet at a point from "summary" of Maths Mate – 6 NEW by Madhubun
When two lines intersect at a common point, they form an angle. The point where the lines meet is known as the vertex of the angle. The size of an angle is measured in degrees using a protractor. Angles can be classified based on their measurements. A right angle measures exactly 90 degrees, forming a perfect L shape. An acute angle is less than 90 degrees, while an obtuse angle is greater than 90 degrees but less than 180 degrees. Angles can also be classified based on their relation to each other. When two angles add up to 90 degrees, they are called complementary angles. On the other hand, when two angles add up to 180 degrees, they are known as supplementary angles. Vertical angles are formed when two lines intersect, and they are opposite each other. These angles are always equal in measure. When two lines are parallel and intersected by a transversal, correspo...
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