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Shapes and Angles - 1 Video Lecture | Crash Course for Class 5
FAQs on Shapes and Angles - 1 Video Lecture - Crash Course for Class 5
| 1. What are the basic shapes in geometry? |  |
Ans. The basic shapes in geometry are triangles, rectangles, squares, circles, and polygons. These shapes have specific properties and characteristics that distinguish them from one another.
| 2. What is an angle? | |
Ans. An angle is the measure of the amount of rotation between two lines or line segments that meet at a common point. It is usually measured in degrees and can range from 0 degrees (no rotation) to 360 degrees (full rotation).
| 3. How many degrees are there in a right angle? | |
Ans. A right angle measures 90 degrees. It is formed when two lines or line segments are perpendicular to each other, creating a 90-degree angle at the intersection.
| 4. What is the sum of the interior angles of a triangle? | |
Ans. The sum of the interior angles of a triangle is always 180 degrees. This property holds true for all types of triangles, whether they are equilateral, isosceles, or scalene.
| 5. What is the difference between a convex and a concave polygon? | |
Ans. A convex polygon is a polygon whose interior angles are all less than 180 degrees. It does not have any "dips" or "indentations" in its shape. On the other hand, a concave polygon has at least one interior angle greater than 180 degrees, creating a "dip" or "indentation" in its shape.
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