Contact us
Choose a category below so we can get back to you as quickly as possible.
∵AB=AC,AD是中線 ∴AD⊥BC ∵AB=17,BC=16 ∴BD=8 在RT△ABD中,根據畢氏定理 AD²;=17²;-8²; ∴AD=15
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.