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'...
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:...
19 (a)Work out the size of the exterior angle of a regular 12-sided polygon.(b)Use your answer to part (a) to write down the size of the interior angle of a regular 12-sided polygon. 相关知识点: 试题来源: 解析 (a)30 final answer(b)150 or FT(180- (a))(a)B1 for 150 or ...
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)...
The following printables contain pictures of regular polygons, from equilateral triangles (3 sided polygons) to dodecagons (12 sided polygons). that your child should know. They can be used for information, or as part of a display.
If your polygon has 11 or more sides, it's easier to write 11-gon, 14-gon, 20-gon ... "100-gon", etc. But if you're really curious... Polygon Name n (sides) α β 11 - sided polygon Hendecagon (undecagon) 11 147.273° 32.73° 12 - sided polygon Dodecagon 12 150° 30° ...
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...
16.一个正十二边形有多少对角线?正多边形的边16. How many diagonals does a 12-sided regular长相等,内角相等。 对角线是任何两个顶点的polygon have? A regular polygon has sides of连线,但是不包括正多边形的边。equal length and equal angles where two sides(A)27(B)35(C)44meet. A diagonal is a...
Using the area of regular polygon calculator: an example Let's assume that you want to calculate the area of a specific regular polygon, e.g., a 12-sided polygon, or a dodecagon with 5-inch sides. Enter the number of sides of the chosen polygon. Put 1212 into the number of sides bo...
结果一 题目 【题目】What is the degree of interior angle of a regular 9-sided polygon?正九边形的内角是多少度? 答案 【解析】140.相关推荐 1【题目】What is the degree of interior angle of a regular 9-sided polygon?正九边形的内角是多少度?