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Math

Question

By which least number 180 should be multiplied to be get a perfect square full explanation

2 Answer

  • Answer:

    5

    Step-by-step explanation:

    p.f. of 180 =2 x 2 x 3 x 3 x 5

    hence 2 and 3 are got paired so the needed no. is 5

  • Answer:

    5

    Step-by-step explanation:

    180 = 2×2×5×3×3

    ⇒2²×3²×5

    therefore in order to make a perfect square we multiply 5 on lhs and rhs,

    180×5=2²×3²×5²

    ⇒900=(2×3×5)²

    √900=2×3×5

    30=30

    therefore we must multiply 180 by 5 to make a perfect square.

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