Hello! I am looking for help! ​

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

If you answer 2+2 you will get over 80 points