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The lengths of the sides of a triangle are in the ratio 3:4:2 and its perimeter is 144 cm. Find the area of the triangle.

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MODERN PUBLICATION-HERON'S FORMULA-EXERCISE
  1. The perimeter of an isosceles triangle measures 42 cm and its base is ...

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  2. The perimeter of an isosceles triangle measures 42 cm and its base is ...

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  3. The lengths of the sides of a triangle are in the ratio 3:4:2 and its ...

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  4. The lengths of the sides of a triangle are in the ratio 3:4:5 and its ...

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  5. Find the area of a parallelogram ABCD in which AB = 28 cm, BC = 26 cm ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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