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8 September, 07:05

The diagonal of a rectangle is 100 units. The width is 80 units. What is the area of the rectangle in square units.

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  1. 8 September, 09:47
    0
    4800 square units

    Step-by-step explanation:

    a²+b²=c²so

    80²+b²=100²

    6400+b²=10000 (subtract 6400 from both sides)

    3600=b² (square root both sides)

    b=60

    A=bw so

    60 (80) =

    4800 square units
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