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  • Question

  • ABCDEF is a regular hexagon of side 12 cm. What is the area (in cm2) of the triangle ECD?


  • Options
  • A. 18?3
  • B. 24?3
  • C. 36?3
  • D. 42?3

  • Correct Answer
  • 36?3 

    • Area problems

    Search Results

    • 1. The area of a regular hexagon is equal to the area of the square. What is the ratio of the perimeter of the regular hexagon to the perimeter of square?

    • Options
    • A. 63 : 36
    • B. 23 : 62
    • C. 63 : 2
    • D. 63 : 23
      • Discuss
    • 2. In the given figure, two squares of sides 8 cm and 20 cm are given. What is the area (in sq.cm) of the shaded part?

    • Options
    • A. 120/7
    • B. 160/7
    • C. 180/7
    • D. 240/13
      • Discuss
    • 3. In the given figure, PQRS is a square of side 8 cm. PQO = 60 deg. What is the area (in sq.cm) of the triangle POQ?

    • Options
    • A. 32√3
    • B. 24[(√)-1]
    • C. 48[(√3)-1]
    • D. 16[3-(√3)]
      • Discuss
    • 4. In the given figure, in a right angle triangle ABC, AB = 12 cm and AC = 15 cm. A square is inscribed in the triangle. One of the vertices of square coincides with the vertex of triangle. What is the maximum possible area (in cm.sq) of the square?

    • Options
    • A. 1296/49
    • B. 25
    • C. 1225/36
    • D. 1225/64
      • Discuss
    • 5. In the given figure, PQ is a diameter of the semicircle PABQ and O is its center. AOB = 64 deg. BP cuts AQ at X. What is the value (in deg) of AXP?

    • Options
    • A. 36
    • B. 32
    • C. 58
    • D. 54
      • Discuss
    • 6. In the given figure, four identical semicircles are drawn in a quadrant. XA = 7 cm. What is the area (in sq.cm) of shaded region?

    • Options
    • A. 70
    • B. 140
    • C. 77
    • D. 84
      • Discuss
    • 7. A cube is placed inside a cone of radius 20 cm and height 10 cm, one of its face being on the base of the cone and vertices of opposite face touching the cone. What is the length (in cm) of side of the cube?

    • Options
    • A. 5
    • B. 6
    • C. 8
    • D. 9
      • Discuss
    • 8. A right circular cylinder has height 28 cm and radius of base 14 cm. Two hemispheres of radius 7 cm each are cut from each of the two bases of the cylinder. What is the total surface area (in cm2) of the remaining part?

    • Options
    • A. 3842
    • B. 4312
    • C. 3296
    • D. 4436
      • Discuss
    • 9. The length of the diagonal and the breadth of a rectangle are 25 cm and 7 cm respectively. Find its perimeter (in cm).

    • Options
    • A. 124
    • B. 41
    • C. 82
    • D. 62
      • Discuss
    • 10. If a regular polygon has 6 sides then the measure of its interior angle is greater than the measure of its exterior angle by how many degrees?

    • Options
    • A. 90°
    • B. 100°
    • C. 60°
    • D. 108°
      • Discuss

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