Which estimation technique will yield a solution that is farthest from the actual product of (–14.89)(1.35)? front-end estimation
rounding to the nearest tenth
rounding to the nearest whole number
compatible numbers

How do you do this geometry problem

Can someone answer these problems for me

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .