3. The sum of measures of external angleo a regular polyson is always 360°. a. Always true
b. Sometimes true
C. Never true
d. Undetermined
4.Find the measures of one interior and exterior angle of a regular Icosason?
a. 142° 16°
b. 152°, 17°
c. 162°, 18°
d. 12°, 19°
5. The sum of the interior angles of a polygon is 1800°. How many sides does it have?
a. 10
b. 11
c. 12
d. 13
b. Sometimes true
C. Never true
d. Undetermined
4.Find the measures of one interior and exterior angle of a regular Icosason?
a. 142° 16°
b. 152°, 17°
c. 162°, 18°
d. 12°, 19°
5. The sum of the interior angles of a polygon is 1800°. How many sides does it have?
a. 10
b. 11
c. 12
d. 13
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Answer:
3.A
4.C
5.B
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