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6 December, 22:34

A sign is in the shape of a rhombus with a 60° angle and sides of 9 cm long. Find its area to the nearest tenth

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  1. 7 December, 00:07
    0
    Hello from MrBillDoesMath!

    Answer:

    70.1 cm^2

    Discussion:

    Area of a rhombus =

    (length of side) ^2 * sin (angle between sides) =

    9^2 * sin (60) = 81 * (.866) = 70.1 (to the nearest tenth)

    Regards,

    MrB

    P. S. I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!
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