https://8842006143235788137-a-180274...attredirects=0
I don't know where to start. Some of my friends told me that I need an Angle!
Any advice?
https://8842006143235788137-a-180274...attredirects=0
I don't know where to start. Some of my friends told me that I need an Angle!
Any advice?
It's also possible to find the area of ABC using Heron's formula, and from there easily find the area of ACD.