please answer the questions

A person Who is 5 ft la\" is A boy scout troop needs to lined up with the shadow of a _ measure the distance across building so his shadow ends a river. Points R and P were at the same place. he is lined up with a tree, T, across standing 4 feet from the end the river. Then points 8, R, and of his shadow and it is an M were staked and measured additional 20 feet from the as shown. How wide is the end of the shadow. How tall is river (MT)? the building? Based on the triangle above ? l:l which similarity statement is k correct? 2 ' O AABC~AEDB feet 0 ABDE~ABAC O ACAB~AEBD O The triangles are :lfeet wide not similar