A square is inscribed in a circle. If the area of the circle is {eq}144 \pi cm^2 {/eq}, then what is the exact perimeter? Square Inscribed in a Circle When a square is inscribed inside a circle, the length of the diameter of the circle...
As there is no diagram, first draw a square in a circle. As the area of the circle is 9π, the radius is 3 (Area = π r^2). How does this help? Often on the SAT, questions involving squares are really about the diagonal of the square, so draw in the diagonal. The diagonal ...
Find the area of the regular octagon inscribed in a circle of radius 8. ( ) A. 18 B. 26√2 C. 120 D. 128√2 E. 100√3 相关知识点: 试题来源: 解析 D The area =8⋅ △ OPQ△ OPQ=12OQ⋅ PROQ=OP=8Since △ OPR is a right isosceles △,PR=8(√2)=4√2Area of ...
Find the maximum area of any rectangle which is inscribed in a circle of radius 1. The Area of a Rectangle: A rectangle is a figure that has four sides. The sides of a rectangle comprise two pairs of parallel and congruent sides. The area of a rectangle is calculated...
Q.3. If a square is inscribed in a circle, what will be the ratio of the area of the square to that of the circle? Ans: Let the radius of the circle be r.r. Hence, area of the circle =πr2=πr2 Diagonal length of square =2r=2r ...
The angle inscribed in a semi circle is always 90-degree no matter the radius of the semi circle. In the figure above, AC is the diameter of the semicircle. The inscribed angle of the semi circle is formed by drawing a line from each end of the diameter to any point on the circumfere...
rectangle is inscribed in a circle with diameter 6m.The formula for the area of the rectangle i 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 设长方形的对角线与其中一边的夹角是a则有 面积S=6*sina*6*cosa=36sina*cosa=18sin(2a)(0 解析看不懂?免费查看同类题视频解析查看...
is inscribed in a circle. The area interior to the circle but exterior to the quadrilateral can be written in the form , where , , and are positive integers such that and have no common prime factor What is ? A: B:
Square ABCD is inscribed in circle O. What is the area of square region ABCD ? The area of circular region O is 64π. The circumference of circle O is 16π. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is suffi...
Inscribed Angle in a Semicircle Lesson Summary Additional Activities Semicircles A semicircle is a partial circle. The moon looks like a partial circle to us unless it's full or not visible. Let's do a word problem that deals with calculating the perimeters and areas of partial circles. ...