题目内容
正六边形的每个内角度数为
- A.60°
- B.120°
- C.135°
- D.140°
B
(6-2)×180÷6=120°,故选B
(6-2)×180÷6=120°,故选B
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正六边形的每个内角度数为( )
A.60° | B.120° | C.135° | D.140° |
正六边形的每个内角度数为( )
A.60° | B.120° | C.135° | D.140° |