variables based questions on heron's formula class 9
Answers
Answer:
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Step-by-step explanation:
sides are 12 cm, 6 cm and 15 cm.
2. Find the area of a triangle whose sides are 4.5 cm and 10 cm and perimeter 10.5 cm.
3. A park in the shape of a quadrilateral ABCD has C = 90°. AB = 18 m, BC = 24 m, CD = 10 m and AD = 16 m. How much area does it occupy?
4. Find the area of a triangle with base =20cm and height are 10 cm.
5. Find the area of a triangle having perimeter 32cm. One side of its side is equal to 11cm and difference of the other two is 5cm.
6. Perimeter of the rhombus is 100 m and its diagonal is 40m. Find the area of rhombus.
7. Two parallel sides of a trapezium are 60 cm and 77 cm and other sides are 25 cm and 26 cm. Find the area of trapezium.
8. The perimeter of a triangular field is 135 cm and its sides are in the ratio 25 : 17 : 12. Find its area.
9. The perimeter of a square is (4x+20)cm. What will be the length of its diagonal?
10. If area of the hexagon is 24√3cm2, find its perimeter