百度试题 结果1 题目 In a circle whose radius is 5in., a chord is 3in. from the center. Find the length of the chord. 相关知识点: 试题来源: 解析 8in. 8in. 反馈 收藏
半径radius['reidjəs]n.半径;半径范围 弦chord[kɔ:d]n.【数】弦 直径diameter[dai'æmitə]n. 弧arc[ɑ:k]n. 半圆semi-circle['semi]n.【计】半 ___垂直于弦的直径 ___弧、弦、圆心角 圆心角central angle ___圆周角 圆周角angle in a circular segment['seɡmənt]【数】(线)段...
A circle of radius 2 has its centre at (2, 0) and another circle of radius 1 has its centre at (5, 0). A line is tangent to the two circles at point in the first quadrant. The y-intercept of the tangent line is View Solution ...