六边形的内角和为 ( ) (A)360° (B)540° (C)720° (D)900六边形的内角和为 ( )(A)360° (B)540° (C)720° (D)900°

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六边形的内角和为()(A)360°(B)540°(C)720°(D)900六边形的内角和为()(A)360°(B)540°(C)720°(D)900°六边形的内角和为()(A)360°(B)540°(

六边形的内角和为 ( ) (A)360° (B)540° (C)720° (D)900六边形的内角和为 ( )(A)360° (B)540° (C)720° (D)900°
六边形的内角和为 ( ) (A)360° (B)540° (C)720° (D)900
六边形的内角和为 ( )
(A)360° (B)540° (C)720° (D)900°

六边形的内角和为 ( ) (A)360° (B)540° (C)720° (D)900六边形的内角和为 ( )(A)360° (B)540° (C)720° (D)900°
六边形的内角和为 ( ) (C)720° (n-2)*180