Contact us
Choose a category below so we can get back to you as quickly as possible.
該區域是以點A(4,0),B(0,3),C(-4,0),D(0,-3)為頂點的菱形, 故其面積等於△ABO面積的4倍,即4*0.5*3*4=24
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.