Question

  • Fill in the blanks so as to make each of the following statement true : (Que. No. 7 to 12)
  1. If the midpoint of is and then the midpoint of is
  2. If then
  3. Quadrilateral ABCD circumscribes a circle. If and , then cm.
  4. The area of a square which is inside a circle of radius 8 cm is cm2.
  5. The volume of cylinder is 550 cubic cm . If the radius of it is 5 cm , then find the height
  6. If the observations and 34 are in ascending order, and the median is 27.5 then

Ask by Ray Sullivan. in India
Jan 22,2025

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Bonus Knowledge

  1. The coordinates of point B and C are such that the midpoint is given by the formula . Plugging in the numbers, we find the midpoint leads us to conclude that and must be or similar to make the midpoint valid. Therefore, the answer is .
  2. Knowing that allows us to derive that . Hence, is 60° (or radians), which gives us . So, the correct answer is .
  3. For a quadrilateral circumscribing a circle, the sum of its opposite sides is equal. Let the sides be , , , and . We set up the equation , which gives . Solving yields . Therefore, cm.
  4. A square inscribed in a circle has its diagonal equal to the diameter of the circle. The radius is 8 cm, so the diameter is cm. Using the diagonal relation where is the side of the square, we set , leading us to find that the area, , is cm². Thus, the answer is .
  5. To find the height of the cylinder, we use the volume formula . Here, cubic cm and cm. Plugging in these values, we solve for height as follows: . Approximating gives us about , so the height is .
  6. The median is the average of the 3rd and 4th values in an ordered set of 7 numbers. Therefore, ordering we know that . That simplifies to , thus . Therefore, .

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