Handmade set bose

Just some questions...? - small boat diagram

Just a few Q's review sheets I find it difficult

From a boat 100 meters from the base of a vertical cliff, is the elevation angle of the cliff 38 degrees. The boat arrives directly on the rock of the cliff on the elevation angle is 44 degrees.
a) Draw a diagram to represent this situation.
b) How is the ship from the cliff now?

A clear glass clipboard into the shape of a cylinder with a cone-shaped red crystal embedded in it. The circular base of the red cone is the same size as the base of the cylinder. The height of the cone is only half the height of the cylinder. If the volume of the cylinder is 30 cubic centimeters, you will find the volume of the cone.

A firefighter stood over 80 meters in circumference, it is like a small grass fire in the distance, in a depression angle of 6 degrees.
a) Draw a diagram to represent this situation. (Can you ignore the height of the fire)
b) Calculate the distance from the grass fire east of the tower.