Afarmer has planted certain trees on apieces of land the land is the farm of an isosceles tri angle region with base 100m and height 50m the trees over growth up in different rows as shown below in each row the distance between any two adjecent tree is 5m the distance between any tqo consecutive row is 5m too then find

A how many rows of trees on the piece of land

B how long is each rows

C how many trees are there in each rows

D what is the total numbers of trees on the pices of land