The Exterior Angles of a Polygon add up to 360°In other words the exterior angles add up to one full revolution.Press Play button to see.(Exercise: try this with a square, then with some interesting polygon you invent yourself.)Note: This rule only works for simple polygons....
Exterior angles of a polygon are formed with its one side and by extending its adjacent side at the vertex. Learn in detail angle sum theorem for exterior angles and solved examples.
Exterior Angles of a Polygon 中学数学教学教学方法几何多边形三角形摘要:VIP中学生数学
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°...
A. 180 degrees B. 360 degrees C. 540 degrees D. 720 degrees 相关知识点: 试题来源: 解析 B。本题考查多边形外角和的性质。任何多边形的外角和总是 360 度。选项 A 是三角形内角和,选项 C 是五边形内角和,选项 D 是六边形内角和。反馈 收藏 ...
Calculate the sum of the interior angles of the following polygons. a 10-sided polygon answer:° a 12-sided polygon answer:° a 15-sided polygon answer:° an 18-sided polygon answer:° Find the number of sides of a regular polygon with an exterior angle of ...
What is true about the sum of interior angles of a polygon ? The sum of the measures of the interior angles of a convex polygon with n sides is $ (n-2)\cdot180^{\circ} $ Shape Formula Sum Interior Angles $$ \red 3 $$ sided polygon (triangle) $$ (\red 3-2) \cdot180 $$...
结果1 题目 14 An n-sided polygon has three of its exterior angles as 50 55 and 80The remaining exterior angles are 25 each Find(a)n.Anra)n =10121(b) the value of the smallest interior angle180-80-100Ar/b) 相关知识点: 试题来源: 解析 10180-80=100 反馈 收藏 ...
Find the sum of the measures of the exterior angles of a convex 65-gon. One exterior angle of a regular pentagon has a measure of (2x)?. what is the value of x? Find the sum of the interior angle measures of a convex 18-gon (an eighteen-sided polygon). ...
The sum of the interior angles and the exterior angles of a polygon is 1080°, then the numberof sides of this polygon is 相关知识点: 试题来源: 解析 sinx 结果一 题目 【题目】The sum of the interior angles and the exterior angles of a polygon is1080, then the numberof sides of this ...