The circle in the figure is the inscribed circle of , and is the in-centre of the triangle. If the inscribed circle intersects at , find the length of . (Express your answer in the form of , where , and are all integers.)图中,为三角形,、、,图中的圆形为的内切圆,为三角形的内心...
【GRE真题答案解析】GRE考满分为考生准备GRE 数学QR真题答案解析,In the figure above, a rectangle is inscribed in a circle. Lengths x and y are both integers such that x + y = 10, and 1 < x < y. Which of the following are possible values for the diameter of
A circle is inscribed in an equilateral triangle of sidea.The area of any square inscribed in this circle is ___. View Solution In the given figure, a circle is inscribed in an equilateral triangle ABC of side 12 cm. Find the radius of inscribed circle and the area of the shaded region...
Varun has been selected by his School to design logo for Sports Day T-shirts for students and staff . The logo design is as given in the figure and he is working on the fonts and different colours according to the theme. In given figure, a circle with centre O is inscribed in aΔAB...
【解析】C The diameter of the circle is equal to the length of a side of the square. The area of the square is 10×10=100. 一个圆内切在一个正方形上,如果圆的直径是10,那么正方形的面积是多少( ). A. 40 B. 25 C. 100 D. 400 圆的直径等于正方形边长,正方形的面积是10×10=100. ...
In the diagram above, a circle is inscribed in square ABCD and square WXYZ is inscribed in the circle. What is the ratio of the perimeter of square ABCD to the perimeter of square WXYZ? ( ) A. 2√2 B. 2 C. √2 D. 1(√2) E. 1(2√2) 相关知识点: 试题来源: 解析 C ...
The diameter of a circle is double in magnitude as compared to the radius of the circle. Answer and Explanation:1 Given that a circle is inscribed in a square with an area of121ft2. $$\begin{align} A &= 121 \rm ~ft^{...
Given: AB= 12 cm , BC=8 cm and AC= 10 cm Tangents drawn from external point to the circle are equal :. AF=AD=x , BD =BE=y and CF=DE=z AC = AF+FC :. 10= x+z ...eq(1) AB= AD+BD :.12 = x+y ...eq(2) BD= BE+CE :. 8 = y+z...eq(3) Add
In the given figure, an equilateral triangle ABC is inscribed in a circle with centre O. Find : ∠BOC View Solution In the given figure, AB is the diameter of a circle with centre O. ∠BCD=130∘. Find (i)∠DAB View Solution ...
解析 C The diameter of the circle is equal to the length of a side of the square. The area of the square is 10×10=100. 一个圆内切在一个正方形上,如果圆的直径是10,那么正方形的面积是多少( ). A. 40 B. 25 C. 100 D. 400 圆的直径等于正方形边长,正方形的面积是10×10=100....