Answer:
a). Regular Pentagon
b). 540°
c). 108°
d). 72°
Step-by-step explanation:
According To the Question
a). the name of the center polygon is Regular Pentagon
b). the sum of the interior angles of the Regular Pentagon is 540°
c). the measure of each interior angle of the Regular Pentagon is 108°
d). the measure of the Each exterior angle of the Regular pentagon is 72° & Sum of All Exterior Angle Of Regular Pentagon is 360°