Multiple Choice Question (MCQ)

In the figure, the length of AC is 3 times the length of CD . If B is the midpoint of AC , and the length of CD is 5, what is the length of BD ?

  1. ×

    10

  2. 12.5

  3. ×

    13.5

  4. ×

    15

  5. ×

    17.5

Collected in the board: Algebraic equation

Steven Zheng posted 3 months ago


Answer

  1. AC = 3CD = 3\times 5=15

    BC = \dfrac{1}{2}AC = 7.5

    BD = BC+CD = 12.5

Steven Zheng posted 3 months ago

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