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 ...
2 Given that the radius of a sector is5 cm and its central angle is36°,then the area of thesector is ()(A)3.14cm2(B)3.925cm2(C)7.85cm2(D)15.7cm22 Given that the radius of a sector is 5 cm and its central angle is 36°,then the area of the sector is( ). (A)3.14 cm ...
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.
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...
Answer to: Find the area of a sector if the radius of the circle is 4, and the angle of the sector is \pi radians. By signing up, you'll get...
The radius and the area of a sector are 12 cm and 30π cm2 respectively. 某扇形的半径及面积分别为12 cm及30π cm2. (1) Find the angle of the sector. 求该扇形的角. (2) Express the perimeter of the sector in terms of π. 以π表该扇形的周界. 相关知识点: 试题来源: 解析 (1...
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: ...
To find the area of the sector of a circle with a radius of 8 cm and an arc length of 15 cm, we can follow these steps: Step 1: Use the formula for the length of an arcThe formula for the length of an arc L is given by:L=θ360×2πrwhere:- L is the length of the arc...
Answer to: The area of a sector of a circle with a central angle of 6 pi/11 rad is 23 m^2. Find the radius of the circle. (Round the answer to one...