The length of the hypotenuse of a right triangle is h , and the radius of the inscribed circle is r. The ratio of the area of the circle to the area of the triangle is 直角三角形的斜边长是h,内切圆的半径是r。 圆的面积与三角形的面积之比为A. πrh+2r B. πrh+r C. π2...
题目8.In triangle ABC,AC=24cm,BC=l0cm,AB=26cm.The radius of the inscribed circle(内切圆)is().(A)26cm(B)4cm(C)13cm(D)8cm8.In triangle ABC,AC=24cm,BC=10 cm,AB=26cm.The radius of the inscribed circle(内切圆)is( . (A)26cm (B)4cm (C)13 cm (D)8cm 相关知识点: 试题...
Right Triangle:One angle is equal to 90 degreesRight Triangle EquationsPythagorean Theorem 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...
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 triangleABC has perimeter P and tria
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...
8.In triangle ABC,AC=24cm,BC=l0cm,AB=26cm.The radius of the inscribed circle(内切圆)is().(A)26cm(B)4cm(C)13cm(D)8cm8.In triangle ABC,AC=24cm,BC=10 cm,AB=26cm.The radius of the inscribed circle(内切圆)is( . (A)26cm (B)4cm (C)13 cm (D)8cm 答案 8.B-|||-解...
1. A circle of radius 4 units is inscribed in a triangle. A point of tangency of the circle with a side of the triangle divides the side into lengths of 6 and 8 units. What are the lengths of the remaining two sides of the triangle? 问题补充:匿名...
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 ...
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...
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