or origin, of the circle to its circumference and encompasses the area of any given angle that also originates from the center of the circle. A sector is best thought of as a piece of pie, and the bigger the angle of the sector, the bigger slice of pie. Each side of the segment...
1【题目】某扇形的半径是3,周界为18,求扇形的面积T he radius of a sector is 3 and its perimeter is 18.Find the are a of this sector. 2【题目】某扇形的半径是4,周界为23,求扇形的面积T he radius of a sector is 4 and its perimeter is 23.Find the are a of this sector.反馈 收藏 ...
Radius of a sector of a circle is 3.5 cm and length of its arc is 2.2 cm. Find the area of the sector.
百度试题 结果1 题目4 Given that the radius of a sector is 9 cm and the are length is 20 cm, then the are a of the sector is ___ $$ c m ^ { 2 } $$. 相关知识点: 试题来源: 解析 4 90 反馈 收藏
Percentages are a function of mathematics that enables you to compare two or more unequal things by expressing both as portions of 100. You can also express the number as a fraction or a decimal. For example, 10 percent is 10 out of 100, or 1/10 or .10. Calculate percentages by dividi...
Mathematicsa circular area having an extent determined by the length of the radius from a given or specified central point:every house within a radius of 50 miles. a field or range of operation or influence. extent of possible operation, travel, etc., as under a single supply of fuel:the...
As shown below, the cylinder is 30 cm high. Its bottom is a sectorwith a radius of 10 cm long and a center of. So what's the surface are a of this cylinder? 相关知识点: 试题来源: 解析 248 cm分析圆柱表面积的组成部分:圆柱的表面积由两个底面的面积和侧面积组成。计算底面扇形的面积:...
Are you a student or a teacher? I am a student I am a teacher Recommended Lessons and Courses for You Related Lessons Related Courses Centroid & Center of Mass of a Semicircle | Overview & Examples Area of a Sector | Formula & Examples Volume & Surface Area of a Sphere | Formula...
题目【题目】A sector of radius 10 cm is bent to form a conical cup as shown.sectorjoinwhen edges AB and CBbecomesarejoined withtape10cmSuppose the resulting cone has base radius r cm and height h cm.If h isthe heightof the cone show th h=√(100-(g/(36))^2). 相关知识点: ...
GMAT 考满分题库The radius of a circle is 10. The area of the sector(fan-shaped) whose center angle is x is A. Which of the following formulas can express A in terms of x?