Contact us
Choose a category below so we can get back to you as quickly as possible.
一個半圓的周長=原來圓周長的一半+一條直徑 所以,半徑是:15.42÷(3.14+2)=3釐米 直徑=3×2=6釐米 如不明白請追問,如果滿意請【採納】 【為夢想而生祝學習進步】
15.24*2/3.14=9.71
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.