Question

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

63°, 74°, 53°, 38° and 67°.

Answer 1

Answer:

unknown exterior angle =65°

Step-by-step explanation:

sum of exterior angles of a polygon=360°

unknown exterior angle=(63°+74°+53°+38°+67°+x) =360°

295°+x=360°

360°-295°=x

65° =unknown exterior angle

Answer 2

Answer:

63°+74°+53°+38°+67°+x = 360°

295°+x° =360°

x° = 360° - 295°

x °=  65°

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