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Vistas Learning-Study Maths

<br>Vista's Learning is one of the leading e-learning platforms shaping the future of the country's education sector.<br>With the latest AR technology in the web application and personalized methods of learning concepts, Vista's Learning offers a wide variety of features - live classes, pre-recorded classes covering state boards and CBSE, one-on-one coaching, social media and many more. Classes are provided for K-12 and in different regional languages to understand the concepts even better. Languages include - English, Hindi, Kannada, Telugu, Malayalam and Tamil. <br>https://v-learning.in/

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Vistas Learning-Study Maths

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  1. Quality Education for All For more information please visit below website https://v-learning.in/live-course/1771/maths-tamil-medium-geometry-tnscert-vistas-learning

  2. A quadrilateral is a closed shape and a type of polygon that has four sides, four vertices and four angles. It is formed by joining four non-collinear points.

  3. A QUADRILATERAL IS A PLANE FIGURE THAT HAS FOUR SIDES OR EDGES, AND ALSO HAS FOUR CORNERS OR VERTICES.

  4. 1. 2. 3. 4. 5. 6. Square Rectangle Parallelogram Trapezium Rhombus kite

  5. Square is a quadrilateral with four equal sides and angles. It's also a regular quadrilateral as both its sides and angles are equal.

  6. Properties of squares: •All the angles of a square are 90° •All sides of a square are equal and parallel to each other •Diagonals bisect each other perpendicularly

  7. If the side of a square is ‘a’ then, 1.Area of the square = a × a = a² 2.Perimeter of the square = 2 × (a + a) = 4a

  8. A rectangle is a quadrilateral with four right angles. Thus, all the angles in a rectangle are equal (360°/4 = 90°). Moreover, the opposite sides of a rectangle are parallel and equal, and diagonals bisect each other.

  9. A rectangle has three properties: •All the angles of a rectangle are 90° •Opposite sides of a rectangle are equal and Parallel •Diagonals of a rectangle bisect each other

  10. If the length of the rectangle is L and breadth is B then, 1.Area of a rectangle = Length × Breadth or L × B 2.Perimeter of rectangle = 2 × (L + B)

  11. A parallelogram, as the name suggests, is a simple quadrilateral whose opposite sides are parallel. Thus, it has two pairs of parallel sides. Moreover, the opposite angles in a parallelogram are equal and their diagonals bisect each other.

  12. A parallelogram has four properties: •Opposite angles are equal •Opposite sides are equal and parallel •Diagonals bisect each other •Sum of any two adjacent angles is 180°

  13. If the length of a parallelogram is ‘l’, breadth is ‘b’ and height is ‘h’ then: 1.Perimeter of parallelogram= 2 × (l + b) 2.Area of the parallelogram = l × h

  14. 1.Three angles of a quadrilateral are 75°, 90°and 75°, the fourth angle is (a) 90° (b) 95° (c) 105° (d) 120°

  15. 2.Calculate all the angles of a quadrilateral if they are in the ratio 2:5:4:1.

  16. 3.Find all the angles of a parallelogram if one angle is 80°.

  17. 4.The Sum of All of the Angles for a Quadrilateral Equals : a. 180° b. 270° c. 360° d. 90°

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