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FAQs on Visual Worksheet: Lines and Angles - Mathematics for Class 6

1. What are lines and angles in geometry?
2. How do you classify angles?
Ans. Angles can be classified based on their measure: 1. Acute angles (less than 90 degrees) 2. Right angles (exactly 90 degrees) 3. Obtuse angles (more than 90 degrees but less than 180 degrees) 4. Straight angles (exactly 180 degrees) 5. Reflex angles (more than 180 degrees but less than 360 degrees).
3. What is the relationship between parallel lines and angles?
Ans. When two parallel lines are crossed by a transversal (a line that intersects them), several pairs of angles are formed. The corresponding angles are equal, alternate interior angles are equal, and consecutive interior angles are supplementary (add up to 180 degrees). This relationship helps in solving various geometric problems.
4. How can I measure an angle accurately?
Ans. To measure an angle accurately, you can use a protractor. Place the midpoint of the protractor at the vertex of the angle, align one ray with the zero line of the protractor, and then read the measurement where the other ray crosses the numbered scale. This will give you the angle's measure in degrees.
5. What are complementary and supplementary angles?
Ans. Complementary angles are two angles whose measures add up to 90 degrees, while supplementary angles are two angles whose measures add up to 180 degrees. These concepts are important in various geometric applications and can help in solving angle-related problems.
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