Contact us
Choose a category below so we can get back to you as quickly as possible.
∵DE//BC∴△ADE∽△ABC∴AD/AB=AE/EC ∵EF//CD∴△AFE∽△ADC∴AF/AD=AE/EC ∴AF/AD=AD/AB
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.