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21 December, 21:11

A sign is in the shape of a rhombus with a 60° angle and sides of 12 cm long. Find its area to the nearest tenth. Select one: a. 62.4 cm2 b. 5.2 cm2 c. 124.7 cm2 d. 10.4 cm2

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  1. 21 December, 21:18
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    The area of a rhombus can be computed from its side (s) and angle (θ) by

    ... A = s^2*sin (θ)

    For your numbers, this is

    ... A = (12 cm) ^2*sin (60°) ≈ 124.7 cm^2
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