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:...
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'...
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 ...
The interior angles of a 12 sided polygon add up to 1800 degrees
This page includes a lesson covering 'the interior angles of a polygon' as well as a 15-question worksheet, which is printable, editable and sendable. The interior angles of a polygon are the angles between two sides of a polygon. The sum of the interio
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...
This dodecagon clock from Etsy seller NIUSdesign keeps this design simple by using a 12-sided polygon filled with repeating triangle and trapezoid shapes for a unique, modern aesthetic. As a graphic designer and illustrator, Maiko Kuzinishi put her talents to work as a clock designer and has ...
(a) Find the sum of interior angles of a -sided polygon. (b) A polygon has sides. Three of its exterior angles are , and while the twelve remaining exterior angles of the polygon are x each. Find the value of . 相关知识点: 试题来源: 解析 (a) $ (b) 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...