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 ...
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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 ...
A line segment is the shortest path between two endpoints, like AB. A line extends infinitely in both directions without endpoints, whereas a line segment is fixed between two points. Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles class 6 ...
A point indicates a precise location with no length, width, or height. Examples include the tip of a needle, the sharpened end of a pencil, and the pointed end of a compass. Class 6 NCERT Ganita Prakash Chapter 2 Lines and ...
The angle is less than 18°. Doubling, tripling, or quadrupling the angle must keep it below 90°. However, multiplying by 5 must exceed 90° but stay below 180°, so possible measures are 1°–17°. class 6 Mathematics Textbook Chapter 2 question answer class ...
The angle between two spokes is 360° ÷ 24 = 15°. The largest acute angle is 90°, formed by six consecutive 15° segments. The Ashoka Chakra demonstrates equal angular divisions in a circle. class 6 Mathematics Textbook Chapter 2 question answer class ...
To draw these angles, use a protractor. Align the baseline with one arm of the angle, mark the required degrees (140°, 82°, 195°, 70°, 35°), and join the vertex with the marked point. class 6 Mathematics Textbook Chapter 2 question answer class ...
Given ∠TER = 80° and ∠REB = 180° (straight angle), calculate ∠BET = 180° − 80° = 100°. Similarly, ∠SET = ∠TER = 80°, as they are complementary to the straight line. class 6 Mathematics Textbook Chapter 2 question answer class 6 ...
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 ...