Aopshelp

Thank you. That was very helpful. I appericate it! (Thank you too guest!)

THANK YOU SO MUCH BROHAM

Actually, due to Pythagoras, AD=8 & AB=17. So the answer is 8/17. (For #2)  

Nvm, the last one I got it. It is 720

Ohhhhhhh, I never thought of it like that. That is a brilliant way of solving that!

Thanks