Contact us
Choose a category below so we can get back to you as quickly as possible.
如圖所示:,AB的中點為D,AC的中點為E,BC=2DE,三角形ABC的高=三角形BDE的高×2,所以三角形ABC的面積為:50×2×2=100×2=200(平方釐米).答:三角形ABC的面積是200平方釐米.
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.