【题目】 A circle is inscribed in a triangle wit h sides of lengths of 8,17,and 19. Let the seg ments determined by the point of tangency on the side of length 8 be w and r,with w r.Find the ratio of w to r.a)3:5b)5:7c)2:3d)1:5e)7:9麻烦另付翻译 ...
inscribed adj. 记名的 Triangle 三角星座 triangle n. 1. 三角形,三角形物体 2. 三角铁 3. 三角关系 circle n. 1.圆,圆周;圈,环状物 2.圈子,界,社会,集团 3.圆状物,圆形;圆形排列 4.环;环状物(如环形路,耳环,戒指,花冠,光环等) 5.(剧院的)楼座,楼厅包厢 6. circle in 外光圈打开 iron...
百度试题 结果1 题目The circle inscribed in a triangle has a radius of 3 cm. Express the are a of the triangle using a, b, c. 相关知识点: 试题来源: 解析 r=3cmr=2S/(a+b+c)S=1.5(a+b+c) 反馈 收藏
网络三角形内切圆;三角形的内切圆
A circle is inscribed in a triangle ABC. It touches the sides AB, BC and AC at the points R, P and Q respectively. If AQ = 4.5 cm, PC = 5.5 cm and BR = 6 cm, then the perimeter of the triangle ABC is: एक वृत्त किसी त्रिभु...
12. Circle O of radius 45 is inscribed in equilateral triangle ABC. Circle P is tangent to circle O and segments AB and BC. Find the area of circle P.(A) 245π(B) 625π(C) 225(D) 225π(E) 700相关知识点: 试题来源: 解析 (D). 分析 本题主要通过构建直角三角形,利用等边三角形的...
Dynamic investigation of triangles inscribed in a circle, which tend to an equilateral triangleGeometrical investigative problemsconvergence of geometrical propertiescombinations of fields in mathematicsWe present a geometrical investigation of the process of creating an infinite sequence of triangles inscribed ...
aWe showed in the course of our discussion above that the three angle bisectors of a triangle met at the point called the incenter, the center of the circle inscribed in the triangle. 我们显示了在我们的讨论中在那之上三角的三角度bisectors遇见在称incenter的点,在三角题写的圈子的中心。 [...
In the given figure, a circle inscribed in a triangle ABC, touches the sides AB, BC and AC at points D, E and F respectively. If AB= 12 cm, BC= 8 cm and AC =
3) escribed circle of a triangle 三角形的旁切圆 4) fill triangle area in inscribed circle 三角形面片的内切圆填充 5) circucicle of triangle 圆内接三角形 例句>> 6) inscribed triangle within the ellipse 椭圆内接三角形 1. In this paper,by the application of circular and elliptical affine equ...