Yes, a door’s opening can be expressed using angles. The hinge serves as the vertex, while the door’s edge and frame are the arms. The angle shows how far the door is opened. Class 6 Mathematics Ganita Prakash Lines and Angles Class ...
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A ray starts at a point and extends infinitely in one direction, like AB. Unlike a line segment, a ray has only one endpoint and no fixed length, representing partial infinity. Class 6 Mathematics Chapter 2 Lines and Angles 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 ...
In Class 6 Math, “Lines and Angles” introduces basic geometric concepts. It covers points, lines, rays, line segments, and different types of angles such as acute, right, obtuse, and reflex angles, and their properties. Class 6 NCERT Ganita Prakash Chapter 2 ...
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 ...
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 ...
Dividing a circle into equal parts yields angles based on the formula 360°/n. For 1, 2, 3, 4, 5, 6, 8, 9, 10, and 12 parts, the angles are 360°, 180°, 120°, 90°, etc. Class 6 NCERT Ganita Prakash Chapter 2 ...
A straight angle equals half a full turn, or 180 degrees. A right angle is half of this, formed by a quarter turn, measuring 90 degrees. It’s visually represented as an “L” shape. Class 6 Mathematics Ganita Prakash Lines and Angles Class ...
No, comparing angles is not always easy, especially when their measurements aren’t clear or when they lack visual alignment. Tools like a protractor or superimposition are often needed for accurate comparisons. Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles class ...
Yes, angles are visible in each case. The arms of the angles are the two rays forming the angle, and the vertex is the common point where these rays meet, marking the angle’s origin. Class 6 Mathematics Chapter 2 Lines and ...