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What universal set(s) would you propose...

What universal set(s) would you propose for each of the following :(i) The set of right triangles. (ii) The set of isosceles triangles.

Text Solution

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For the first part, a set of triangles will contain both right angle triangles and isosceles triangles.
So, set of triangles will be the universal set.

For second question,
`AuuBuuC = {1,3,5,2,4,6,0,8}`
Universal set should contain `AuuBuuC`. Only option `C` contains all the elements of `AuuBuuC` so that is the current option.
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Knowledge Check

  • Which of the following are sides of an isosceles right triangle?

    A
    3, 4, 5
    B
    3, 3, 4
    C
    12, 12, 5
    D
    4, 4, `sqrt(32)`

  • Which of the following is the set of measures of the sides of triangle ?

    A
    8cm, 4 cm, 20 cm
    B
    9cm, 17 cm, 25cm
    C
    11 cm, 16cm, 28 cm
    D
    6cm, 7cm, 12 cm

  • Which set of reagents would you use to form the following compound?

    A
    `HO-CH_(2)-CH_(2)-OH` and `CH_(2)=O`
    B
    `OH-CH_(2)-CH=O` and `CH_(2)= O`
    C
    `O=CH-CH = O` and `CH_(2) = O`
    D
    `O=CH-CH =O ` and `HO-CH_(2)-OH`