Question

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

Ask by Lewis Floyd. in India
Jan 22,2025

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Answer

  1. cm
  2. cm²

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Extra Insights

  1. Since the midpoint of is , we can use the midpoint formula. Given that point A is , we can express the coordinates of points B and C as and . Solving the equations, we find that the coordinates of the midpoint for yield the point .
  2. From the equation , we can divide both sides by to get . This implies that or , leading us to compute which is equal to .
  3. In quadrilateral ABCD, since it circumscribes a circle, it follows that the sum of the lengths of opposite sides are equal. So, . Plugging in the known values: . Thus, .
  4. The largest square that can fit inside a circle can be inscribed such that its diagonal is equal to the diameter of the circle. Given the radius of the circle is , the diameter is . The side length of the square can then be calculated using , leading us to . Thus, the area .
  5. The volume of a cylinder is given by the formula . Plugging in the values we have . Simplifying gives . Solving for the height cm.
  6. To find given that the median of the ordered set is 27.5, we need to consider that the median of a set with an even number of elements is the average of the two middle numbers. The numbers in the context imply the 4th and 5th values are and . Setting up the equation leads to , thus .

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