Supplementary angles are two angles whose sum is 180°. For example, ∠AOB = 120° and ∠BOC = 60° are supplementary, as their total is 180°. They are often used in linear pairs. class 6 Mathematics Textbook Chapter 2 question answer class 6 ...
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Triangles can be classified by their angles as acute (all angles < 90°), right (one angle = 90°), or obtuse (one angle > 90°). These classifications help in understanding triangle properties and solving related problems. class 6 Mathematics Textbook Chapter 2 ...
Angles can be compared by superimposing them or using geometric tools like folding paper. By matching vertices and arms, one can visually determine which angle is larger or smaller, without measuring their degrees directly. Class 6 Mathematics Ganita Prakash Lines and ...
A reflex angle is greater than 180° but less than 360°. Examples in real life include the rotation of clock hands past 180°, a full swing in motion, or rotating objects like windmills. Class 6 Mathematics Ganita Prakash Lines and Angles Class ...
The size of an angle affects the shape and classification of geometric figures. For example, in triangles, the angles determine if it’s acute, obtuse, or right, influencing the figure’s properties, like congruency or symmetry. Class 6 Mathematics Ganita Prakash Lines and ...
An angle bisector divides an angle into two equal parts. It is crucial in geometry for constructing equal angles, finding symmetrical properties, and solving problems related to angle division, such as in triangles. Class 6 Mathematics Chapter 2 Lines and Angles ...
To draw a 30° angle, place the protractor’s center at the vertex. Align one arm with the 0° mark. Mark 30° on the protractor and draw a line from the vertex through the point. Class 6 Mathematics Chapter 2 Lines and ...
A ray starts at a point and extends infinitely in one direction. A line extends infinitely in both directions. A line segment connects two endpoints and is finite, representing the shortest distance between them. Class 6 Mathematics Chapter 2 Lines and ...
Angles represent rotations in everyday objects like a clock’s hands, scissors, or swinging doors. For instance, a door’s opening creates an angle, and a clock hand rotates 360° in one complete cycle. class 6 Mathematics Textbook Chapter 2 question answer class 6 ...
Angles are classified as acute (<90°), right (90°), obtuse (90°–180°), straight (180°), and reflex (>180° but <360°). Examples include a 45° acute angle, a 120° obtuse angle, and a 270° reflex angle. class 6 Mathematics Textbook Chapter 2 question answer class 6 ...