Answer :
A circle has 360 degrees. If it was divided into 18 equal parts, simply divide 360 by 18 to find the degrees of each angle.
360/18= 20 degrees.
Do the same when dividing a circle into 5 parts:
360/5= 72 degrees.
360/18= 20 degrees.
Do the same when dividing a circle into 5 parts:
360/5= 72 degrees.
The angle for each part is 20° and for 5 parts, the angle will measure 100°.
As we know for a circle the full measure of angle is 360°.
Therefore, if we divide it in 18 parts,
each part will measure = [tex]\dfrac{360}{18}[/tex] = 20°,
For 5 parts, the angle will measure = 20° x 5 = 100°,
Hence, the angle for each part is 20° and for 5 parts, the angle will measure 100°.
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