Question

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

63°, 64°, 87°, 39° and 78°.

Answer 1

Answer:

29 degree

Step-by-step explanation:

Sum of all exterior angles of every polygon is 360 degree

let's take the unknown angle as x

63+64+87+39+78+x=360

331+x=360

x=360-331=29 degree

HOPE IT HEPLS!!