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24 May, 09:27

Find the size of the final unknown exterior angle in a polygon whose other exterior angles are:

51°, 84°, 48°, 27°, 65° and 68°.

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Answers (1)
  1. 24 May, 11:08
    0
    Answer:17°

    Step-by-step explanation:

    let them unknown exterior angle be y

    Sum of exterior angles = 360

    51+84+48+27+65+68+y=360

    343+y=360

    Collect like terms

    y=360-343

    y=17

    There unknown angle y is 17°
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