geometry

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How would you complete the table?

number of sides: 3, 4, 5, 6
measure of angle: 60, 90, B, C
sum of angle measures:180, A, 540, D

a:A = 120º; B = 360º; C = 180º; D = 1080º
b:A = 210º; B = 180º; C = 270º; D = 720º
c:A = 360º; B = 108º; C = 120º; D = 720º
d:A = 180º; B = 270º; C = 360º; D = 720º

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