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 ...
12 not attemptedTrue or false?To find the interior angle of a regular polygon, divide the sum of the interior angles by the number of sides. A. True B. False 13 not attemptedThe sum of the interior angles in a decagon (a 10 sided polygon) is 1440°.What is each internal angle ...
5. Find the sum of the interior angles of a 9-sided polygon. Answer: 1260°6. Find the measure of an exterior angle of a 12-sided polygon. Answer: 30°7. Find the sum of the exterior angles of a 8-sided polygon. Answer: 360°...
Dodecagon: A dodecagon is a 12-sided polygon. Equilateral Triangle: A triangle in which all three sides are of equal length. In such a triangle, the angles are all equal as well. Equilateral Triangle: A triangle in which all three sides are of equal length. In such a triangle, the angl...
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'...
结果1 题目15 Calculate the size of one interior angle of a regular 12-sided polygon.150---[3] 相关知识点: 试题来源: 解析 150M2 for (12-2) × 180÷12or 180-360 ÷12or M1 for (12 -2) × 180or 360÷ 12 soi 30 反馈 收藏 ...
A twelve-sided polygon gradually develops from the second course from the base until it converges into an octagon at the top course of the wall zone. The proposed design specifies the length of the RA block LRA as input, and the length of the RB block LRB can be derived and expressed ...
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 ...
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