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12 December, 12:34

A rectangle has a width of 9 units and a length of 40 units. What is the length of a diagonal?

A. 31 units

B. 39 units

C. 41 units

D. 49 units

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Answers (1)
  1. 12 December, 12:47
    0
    Pythagoras tells us that the diagonal is √ (9²+40²) = 41.

    Answer C.
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