When a circle and a triangle are together, there is such a thing as the radius of a triangle. What is the radius of a triangle? There are two types of radii for triangles: inradius: This is the radius of a circl
ABC is an isosceles triangle inscribed in a circle of radius r , if AB = AC and h is the altitude from A to BC . If the △ABC has perimeter P and △ is area then limh→0512rΔp3 equals View Solution ABC is an equilateral triangle inscribed in a circle of radius 4 cm. Find ...
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
To solve the problem, we need to find the distance d from the vertex A of an equilateral triangle ABC inscribed in a circle of radius 20√3 cm to its centroid G. 1. Understand the Circumradius: The circumradius R of an equilateral triangle is given as R=20√3 cm. The formula for ...
百度试题 结果1 题目A triangle with side lengths in the ratio 3:4:5 is inscribed in a circle with radius 3. What is the area of the triangle?( ) A.8.64 B.12 C.5π D.17.28 E.18相关知识点: 试题来源: 解析 A N/A. 反馈 收藏 ...
What is incircle in math? An incircle isan inscribed circle of a polygon, i.e., a circle that is tangent to each of the polygon's sides. What is the formula of Circumradius of a triangle? The formula for the circumradius of a triangle with sides of lengths a, b, and c is(abc...
Answer to: An isosceles triangle is inscribed in a circle of radius R. Find the value of theta that maximizes the area of this triangle. By signing...
Pick a coordinate system so that the right angle is at and the other two vertices are at and . As this is a right triangle, the center of the circumcircle is in the middle of the hypotenuse, at . The radius of the inscribed circle can be computed using the wellknown identity . where...
Perimeter Semiperimeter Area Altitude of a Altitude of b Altitude of c Angle Bisector of a Angle Bisector of b Angle Bisector of c Median of a Median of b Median of c Inscribed Circle Radius Circumscribed Circle RadiusIsosceles Triangle:Two sides have equal lengthTwo angles are equalIsosceles ...
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...