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

51°, 84°, 48°, 27°, 65° and 68°.

User DanielSmedegaardBuus
by
3.6k points

1 Answer

7 votes

Answer:17°

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°

User SpeedOfRound
by
4.0k points
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