What is the circumference of the circle above ?() (1)The length of arc XYZ is 18. (2)r=s A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条件(2)也充分. E.条件(1)和条件(2)单...
Earth:Earth is marked with an equator, an invisible line that is present around the earth's center, and this occurs at zero degrees latitude. The equator is a type of imaginary line. It is responsible for separating the northern and southern hemispheres into two halves....
The circle has a radius of 4 cm. What's the circumference of the circle? A. 8π cm B. 16π cm C. 12π cm D. 20π cm 相关知识点: 试题来源: 解析 B。本题考查圆的周长计算。圆的周长 = 2×半径×π,即 2×4×π = 8π(厘米),所以答案是 B,A 选项 8π cm 计算错误,C 选项 ...
搜标题 搜题干 搜选项 单项选择题 (1)The length of arc XYZ is 18. (2)r=s A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条件(2)也充分. ...
What is the circumference of the circle above with center 0 ?(1)The perimeter of $$Delta OXZ$$ is $$20+10sqrt 2$$(2)The length of arc $$XYZ$$ is $$5pi$$._出国考试答疑器_GMAT_试题_Data Sufficiency
There is a circle. The radius is 5 cm. What is the circumference of the circle? A. 10π cm B. 15π cm C. 20π cm D. 25π cm 相关知识点: 试题来源: 解析 C。圆的周长公式为 2πr,半径是 5cm,周长就是 2π×5=10π cm,而四个选项中只有 C 的 20π cm 符合条件,A 选项结果...
A circle is a planner geometry that is a locus of all points on the plane that has the same distance from a point at the fixed spot. This constant distance is termed as the radius and the fixed point is known as the center of the circle. ...
There is a circle. The radius is 3 cm. What is the circumference of the circle? A. 6π cm B. 9π cm C. 3π cm D. 18π cm 相关知识点: 试题来源: 解析 A。本题考查圆的周长计算。圆的周长等于 2πr,半径为 3 厘米,周长为 2×π×3 = 6π 厘米。选项 B 9π 厘米错误,选项 C...
Unit of Lenght: Calculate Circumference Result: The circumference of a circle with diameter 1273 is 3999(*) Formulas: r = 637 d = 1270 C = 4000 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = area of the circle C = circumference or perimeter r...
The circumference of a circle with radius 1.13 is 7.1(*) Formulas: r = 1.13 d = 2.26 C = 7.1 C = 2·π·r C = π·d C = √4·π·A π = 3.1415 A = area of the circle C = circumference or perimeter r = radius, d = diameter Step-by-step Solution: ...