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  • Question
  • What is the area (in sq cm) of a circle whose circumference is 22 cm?


  • Options
  • A. 77
  • B. 38.5
  • C. 44
  • D. 88

  • Correct Answer
  • 38.5 


  • Area problems


    Search Results


    • 1. What is the area (in sq cm) of a circle whose circumference is 26.4 cm?

    • Options
    • A. 55.44
    • B. 44.55
    • C. 33.44
    • D. 44.33
    • Discuss
    • 2. The area of an equilateral triangle is 9?3 sq cm, find height of the triangle?

    • Options
    • A. 6 cm
    • B. 6?3 cm
    • C. 3?3 cm
    • D. 9 cm
    • Discuss
    • 3. In a triangle the length of the side opposite the right angle is 9?3 cm, what is the length of the side opposite to the angle which measures 30 degree?

    • Options
    • A. 9 cm
    • B. 3?3 cm
    • C. 6 cm
    • D. (9?3)/2 cm
    • Discuss
    • 4. What is the area (in sq cm) of an equilateral triangle of side 6 cm?

    • Options
    • A. 36?3
    • B. 9
    • C. 36
    • D. 9?3
    • Discuss
    • 5. The angles of a triangle are in the ratio 1 : 1 : 4. If the perimeter of the triangle is k times its largest side, then what is the value of k?

    • Options
    • A. 1 + 2/?3
    • B. 1 - 2/?3
    • C. 2 + 2/?3
    • D. 2
    • Discuss
    • 6. The area of a triangle with vertices A (0, 8) , O (0,0) and B (5, 0) is:

    • Options
    • A. 8 sq. units
    • B. 13 sq. units
    • C. 20 sq. units
    • D. 40 sq. units
    • Discuss
    • 7. Three medians AD, BE and CF of ?ABC intersect at G; Area of ?ABC is 36 sq cm. Then the area of ?CGE is

    • Options
    • A. 12 sq cm
    • B. 6 sq cm
    • C. 9 sq cm
    • D. 18 sq cm
    • Discuss
    • 8. The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?

    • Options
    • A. 40
    • B. 120
    • C. 50
    • D. None of these
    • Discuss
    • 9. The diagonals of two squares are in the ratio of 2:5. Find the ratio of their areas.

    • Options
    • A. 2:25
    • B. 3:25
    • C. 4:25
    • D. 6:25
    • Discuss
    • 10. If the area of a square with side a s equal to the area of a triangle with base a, then the altitude of the triangle is

    • Options
    • A. a
    • B. 2a
    • C. 5a
    • D. 3a
    • Discuss


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