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 ...
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A straight angle measures exactly 180°, representing half a complete turn. It forms a straight line with arms extending opposite each other. Examples include a folded book’s spine or the horizon’s line. Class 6 Mathematics Ganita Prakash Lines and Angles Class 6 ...
A straight angle measures 180° and equals two right angles. Dividing a straight angle into two equal parts results in two right angles, each measuring 90°, often seen in linear or perpendicular geometry. Class 6 Mathematics Ganita Prakash Lines and Angles Class ...
Rajesh transforms wood costing Rs600 into a chair sold for Rs1,000. The additional Rs400 reflects the value of his skill, time, and effort, showcasing the process of value addition. NCERT Textbook Exploring Society India and Beyond Class 6 Class 6 ...
Economic activities are those that have monetary value. Value addition occurs when something is transformed, like turning wood into furniture, increasing its worth through skill, time, and effort. Class VI Social Science Chapter 13 The Value of Work Social Science ...