I need help, i have a take home math test!! A windmill has 4 sails on long arms that rotate in a circle with a radius of 25 feet. The bottom of the circle is 100 feet above the ground.
a. How high above the ground is the midpoint of the sails?
b. Find the angle measure of the end of one arm when it is at its lowest point.
c. The arm from part (b) rotates 130 degrees counterclockwise. Find the new height of the end of the arm.

Question

I need help, i have a take home math test!! A windmill has 4 sails on long arms that rotate in a circle with a radius of 25 feet. The bottom of the circle is 100 feet above the ground. 
a. How high above the ground is the midpoint of the sails? 
b. Find the angle measure of the end of one arm when it is at its lowest point. 
c. The arm from part (b) rotates 130 degrees counterclockwise. Find the new height of the end of the arm.