Given an arc of length 144mm on a circle of radius 120mm. Fi

Given an arc of length 144mm on a circle of radius 120mm. Find the radian number of the angle oppos
.angle opposite yo the arc
求解题过程
hyqdlx 1年前 已收到1个回答 举报

也许1980 幼苗

共回答了17个问题采纳率:100% 举报

The perimeter of a circle:2x3.14x120=753.6(mm)
The radian number of the angles opposite to the arc:144/753.6x360=69

1年前

6
可能相似的问题
Copyright © 2024 YULUCN.COM - 雨露学习互助 - 16 q. 0.013 s. - webmaster@yulucn.com