sided polygon is 4 times an exterior angle of the polygon, which of the following is/are true?( ) Ⅰ. The value of n is 10. Ⅱ. The number of diagonals of the polygon is 10. Ⅲ. The number of folds of rotational symmetry of the polygon is 10....
2英译汉 帮忙翻译一下~~ 追加积分的~(a)Each exterior angle of an n-sided polygon is 24°.Calculate n.(b)The sides of a regular polygon are produced in order . It is found that each interior angle exceeds each exterior angles by 140°. Calaculate the number of sides of the polygon ....
3Of the n-sided regular polygons,the one with the size of each exterior angle and the size ofeach interior angle being equal is ()(A)a regular hexagon(B)a regular pentagon(C)a square(D)an equilateral triangle3 Of the n sided regular polygons, the one with the size of each exterior...
百度试题 结果1 题目 What is the sum of the measures of the interior angles of a decagon (10-sided polygon)? 相关知识点: 试题来源: 解析 1,440° 反馈 收藏
Consider a regular n-sided polygon where n is an integer greater than 2, which of the following statements is incorrect? A: The polygon has n axes of symmetry. B: Each axis of symmetry of the polygon passes through at least one vertex. C: The centre of rotation of the polygon is the...
16. How many diagonals does a 12-sided regular polygon have? A regular polygon has sides of equal length and equal angles where two sides meet. A diagonal is a line which connects any two corners of the polygon, but which is not a side of the polygon.E(A)27(B)35(C)44(D)54(E)...
2. (a) Calculate the size of an interior angle in a regular 12-sided polygon.(b) Do regular 12-sided polygons tessellate?You must give a reason for your answer. 相关知识点: 试题来源: 解析 2(a)(12-2)×180 ÷12 150(°) (b)No AND a reason, e.g. '150 not a factor or 360'...
Identify the Geometry term described. A six-sided polygon. What is a polygon with 10 sides called? In trapezium PQRS , PS is parallel to QR , SR is perpendicular QR, and the angle Q = 130 degrees. Find the measure of the angles P and S. ...
Draw a square and a regular dodecagon (12-sided polygon) inscribed in one circle. If the area of the dodecagon is 12cm2, find the area of the square in cm2.在一个圆形内绘画一个圆内接正方形和一个圆内接正十二边形,若正十二边形的面积为12平方厘米,正方形的面积是多少平方厘米? 相关知识点:...
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