Clock hands create angles like 30° (1 o’clock), 90° (3 o’clock), and 210° (7 o’clock). Acute angles are under 90°, obtuse angles range from 90° to 180°, and reflex angles exceed 180°. Class 6 Mathematics Ganita Prakash Lines and Angles Class 6 ...
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Angles are classified as acute (<90°), right (90°), obtuse (90°–180°), straight (180°), and reflex (>180° but <360°). Each type reflects a specific range of rotation between the angle’s arms. Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles class 6 Mathematics ...
An angle is formed by two rays sharing a common endpoint. The rays are called arms, and the common point is called the vertex. For example, ∠ABC has arms BA and BC with vertex B. Class 6 NCERT Ganita Prakash Chapter ...
Measure each angle with a protractor. Classify ∠PTR, ∠PTQ, and ∠WTP as acute (<90°), obtuse (90°–180°), right (90°), or reflex (>180°) based on their measurements. Record results for accuracy. Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles class 6 Mathematics ...
Draw each angle by aligning the protractor’s center with the vertex. Mark the required degree on the scale, join the vertex with the mark, and label the angles. Ensure accuracy for each measurement. Class 6 NCERT Ganita Prakash Chapter 2 Lines ...
A 360° rotation represents a full circle, returning to the original position. It is fundamental in geometry for understanding circular motion, rotations of objects, and in calculating angles around a point or center. Class 6 NCERT Ganita Prakash Chapter 2 Lines ...
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 ...
A right angle measures exactly 90° and forms an “L” shape. It is unique as it represents perpendicularity, unlike acute (<90°), obtuse (90°–180°), or reflex (>180°) angles, which indicate different rotational measures. class 6 Mathematics Textbook Chapter 2 question answer class 6 ...
Each hour mark on the clock represents 30°. At 1 o’clock, the minute hand is at 12, and the hour hand is at 1. The angle between them equals one hour’s worth: 30°. Class 6 Mathematics Chapter 2 Lines and Angles ...