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14 April, 17:55

In ΔEFG, f = 1.2 inches, ∠E=55° and ∠F=109°. Find the length of e, to the nearest 10th of an inch.

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  1. 14 April, 20:20
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    e = 1.04

    Step-by-step explanation:

    To find e, we apply the sine rule

    e/sineE = f/sineF

    e/sine55 = 1.2/sine109

    e/0.8192 = 1.2/0.9455

    0.9455e = 1.2 x 0.8192

    e = 0.9830/0.9455

    e = 1.0397

    to nearest tenth = 1.04inch
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