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The Trapezium

takriban dakika 1 kusoma

Mada za sehemu hiiGeometryMada 15
  1. Measuring angles
  2. Drawing angles by using a protractor
  3. Angles in plane figures
  4. The parallelogram
  5. The Trapezium
  6. Circumference of a circle
  7. Area of Plane Figure
  8. Area of Trapezium
  9. Area of a circle
  10. Areas of three-dimensional figures
  11. Surface area of a cylinder
  12. Volumes of three-dimensional figures
  13. Volume of a cylinder
  14. Coordinate geometry
  15. Drawing plane figures using coordinates of points

The trapezium

The perimeter of a trapezium is obtained by adding lengths of all the sides of the trapezium. Study the following trapezium:

A trapezium with sides labeled m, n, r, and p

The perimeter of a trapezium = m+n+r+pm + n + r + p

Since perimeter is a length, it can be measured in centimetres, metres or any other unit of length depending on the dimensions of the given figure.

Example 1

A trapezium with side lengths 7 cm, 4 cm, 10 cm, and 5 cm

Find the perimeter of the following figure:

The lengths of the sides of the trapezium are 7 cm, 4 cm, 10 cm and 5 cm. Therefore,

Perimeter of a trapezium = 7 cm + 4 cm + 10 cm + 5 cm = 26 cm

Therefore, the perimeter of the trapezium is 26 cm.

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