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The sides of a quadrilateral are 5 cm,12...

The sides of a quadrilateral are 5 cm,12 cm, 14 cm and 15 cm and the angle between the first two sides is a right-angle. Find its area.

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MODERN PUBLICATION-HERON'S FORMULA-EXERCISE
  1. Find the area of a parallelogram ABCD in which AB = 28 cm, BC = 26 cm ...

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  2. Find the area of a parallelogram ABCD in which AB = 14 cm, BC = 10 cm ...

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  3. The sides of a quadrilateral are 5 cm,12 cm, 14 cm and 15 cm and the a...

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  4. Find the area of a quadrilateral ABCD whose sides AB,BC, CD and DA are...

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  5. Find the perimeter and area of the quadrilateral ABCD in which AB = 42...

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  6. Find the perimeter and area of the quadrilateral ABCD in which AB = 17...

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  7. Find the area of a rhombus whose perimeter is 80 cm and one of whose d...

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  8. Two parallel sides of a trapezium are 60 cm and 77 cm and other sides ...

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  9. Find the area of the quadrilateral ABCD in which AD = 24 cm, angleBAD ...

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  10. A rhombus sheet, whose perimeter is 32 m and whose one diagonal is 10 ...

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  11. Find the area of the blades of the magnetic compass shown in the figur...

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  12. Find the area of an equilateral triangle whose each side is 4 cm.

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  13. What is the area of an equilateral triangle whose sides is 'a'?

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  14. Find the area of a triangle whose sides are 3 cm, 4 cm and 5 cm.

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  15. Find the area of a triangle whose base is 5 cm and altitude 4 cm.

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  16. Find the area of an isosceles triangle having base a cm and one side b...

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  17. Find the area of an equilateral triangle having altitude h cm.

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  18. If each side of a triangle is doubled, then find the percentage increa...

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  19. If each side of an equilateral triangle is tripled, then find the perc...

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  20. The perimeter of a triangular field is 144 cm and the ratio of the sid...

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