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L14 : Prop of parallelogram - Quadrilaterals , Maths, Class 8 Video Lecture

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FAQs on L14 : Prop of parallelogram - Quadrilaterals , Maths, Class 8 Video Lecture

1. What is a parallelogram?
Ans. A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length.
2. What are the properties of a parallelogram?
Ans. The properties of a parallelogram are: - Opposite sides are parallel. - Opposite sides are equal in length. - Opposite angles are equal. - Consecutive angles are supplementary (add up to 180 degrees). - Diagonals bisect each other.
3. How do you prove that a quadrilateral is a parallelogram?
Ans. To prove that a quadrilateral is a parallelogram, we need to show that either the opposite sides are parallel or the opposite angles are equal. This can be done by using various methods such as the congruence of triangles, the midpoint theorem, or the use of parallel lines.
4. Can a parallelogram have right angles?
Ans. Yes, a parallelogram can have right angles. In fact, a parallelogram with all angles equal to 90 degrees is called a rectangle.
5. How do you find the area of a parallelogram?
Ans. The area of a parallelogram can be found by multiplying the length of its base by its height. The height is the perpendicular distance between the base and the opposite side. The formula for the area of a parallelogram is: Area = base x height.
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