If there are no two points on the circle that are adjacent, then the triangle would be equilateral. If the three points are all adjacent, it would be isosceles. Thus, the only possibility is two adjacent points and one point two away. Because one of the sides of this triangle is the ...
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...
To find the area of a circle inside a right angled triangle, we have the formula to find the radius of the right angled triangle,r = ( P + B – H ) / 2. Given the P, B and H are the perpendicular, base and hypotenuse respectively of a right angled triangle. where π = 22 /...
isosceles triangle tirante on the radius of circle and apotema - fumlcro antireattivo against each otherSERI RANIERO
Circumradius definition: the radius of the circle circumscribed around a triangle. See examples of CIRCUMRADIUS used in a sentence.
答案 优质解答相关推荐 18.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 反馈 收藏
15. One side of an equilateral triangle of height24lies on linel. A circle of radius12is tangent toland is externally tangent to the triangle. The area of the region exterior to the triangle and the circle and bounded by the triangle, the circle, and linelcan be written asa√b-cπ, ...
If the side of an equilateral triangle is doubled, find the new perimeter. View Solution If area of a circle inscribed in an equilateral triangle is48πsquare units, then perimeter of the triangle is (a)17√3units (b)36units (c)72units (d)48√3units ...
An equilateral triangle is inscribed in a circle, as shown below. What is the area of the triangle? (1) The radius of the circle is 2. (2) The ratio of the radius of the circle to a side of the triangle is 选项: A、A. if statement (1) ALONE is sufficient to answer the qu...
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...