Divide the diameter by 2 to get r if you know the diameter. For example, if your circle has a diameter of 4, the radius is 4/2 = 2. Step 4 Divide the circumference by 2 pi to find the radius if you know c. it's impossible to write the exact value of pi, but for most prob...
结果1 题目 Find the radius of a circle on which a central angle measuring 135° intercepts an arc on the circle with a length of 24 yards. [Answer may be expressed in terms of π.] 相关知识点: 试题来源: 解析 yd yd 反馈 收藏 ...
The midpoint of a line is the halfway mark of that line. A radius measures the distance from a circle's middle point, or origin, to its surrounding perimeter, also known as its circumference. The midpoint has much in common with the radius, for the midpoint on a diameter measures its...
Where is the radius of a circle? The radius of a circle is the line segment from the center of a circle to a point on the boundary of a circle. Is a radius half of a diameter? Yes, the radius of a circle is half of the diameter because the diameter is the line segment that pas...
How do you find the radius of a circle with the equation x^2 + y^2 + 4x - 8y + 13 = 0? Find the radius of the given circle. Find the radius of circle if the center is at (1,2) and the point (-3,4) lies on the circle. ...
The radius of a sphere or a circle is the distance from its center to its circumference. It is same for any point on the circle.
times of its circumstance, find the radius of this circle. 若一圆形的面积是周界的7倍,求该圆形的半径.相关知识点: 试题来源: 解析 14. 结果一 题目 【题目】If the area of a circle is 7 times ofits circumstance, find the radius of this circle若一圆形的面积是周界的7倍,求该圆形的半径 答案...
Find the radius, r cm, of a circle, given that a sector of the circle has an area of (9π )8 cm2 and the sector subtends an angle of (π )4 radians at the centre of the circle. 相关知识点: 试题来源: 解析 3 cm 反馈 收藏 ...
Find the radius of a circle whose area equals the area of a rectangle that measures 2 feet by 11 feet (use {eq}\pi = \frac{22}{7} {/eq}). The Area of a Circle: The area of a circle of radius {eq}R{/eq} is given as {eq}A...
TO FIND THE RADIUS OF ANY CIRCLE.Bell, G. J