Find the arc length of an arc with measure 130 in a circle with radius 2 in. Round to the nearest tenth.L130+++M2in45in10.5in2.3in0 10.2 in 相关知识点: 试题来源: 解析 aor l lny+h=(r)(θ) =(2)(130() =(2)((1307)/(180)) a 95 in ...
百度试题 结果1 题目 In a circle whose radius is30, what is the length of an arc (in terms ofπ) which contains100°?A:11.1πB:250πC:16.7πD:8.3π 相关知识点: 试题来源: 解析 C None 反馈 收藏
Learn to define an arc and the arc length of a circle. Discover the types of arcs in a circle. Learn how to find the arc length of a circle. See...
题目 29. If the length of a 60° arc of circle A is the same as the length of a45° arc of circle B, what is the ratio of the are a of circle A to the are a of circle B?() A.3/4 B.9/16 C.4/3 D.16/9 相关知识点: 试题来源: 解析 29.答案:B。 反馈 收藏 ...
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)...
百度试题 结果1 题目A arc of circle is equal in length to a arc of circle . What is the ratio of circle 's area and circle 's area?( ) A: B: C: D: E: 相关知识点: 试题来源: 解析 A N/A. 反馈 收藏
百度试题 结果1 题目【题目】In a circle with radius 5, an angle intercepts an arc oflength. Find the angle inradians in simplest form. 相关知识点: 试题来源: 解析 【解析】a 反馈 收藏
formula when the angle is in degrees. The length of an arc can be calculated using different formulas, based on the unit of the central angle of the arc. The measurements of the central angle can be given indegreesorradians, and accordingly, we calculate the arc length of a circle. ...
II.Fill in the blanks4In a circle,if the length of an arc is of the circumference of the circle,then the centralangle of the arc is5The radius of an arc in a circle is6 cm and its central angle is60°.The arc length is_cm.6 As shown in the diagram,given that the arc length...
Ask a question Search AnswersLearn more about this topic: Arc of a Circle | Overview, Length & Examples from Chapter 9 / Lesson 2 50K Learn to define an arc and the arc length of a circle. Discover the types of arcs in a circle. Learn how to find the...