In thes exercises you are asked find the distance of the moon from the earth and the size of the moon using ideas that were developed in the classsical period of Greece.
Assume you know the radius of the earth (use the modern known value), and you make the measurement shown in the picture, finding the angle L to be L = 89.1 degrees. From this information what is the calculated distance of the moon to the earth?
Now that we know the distance from the moon to the earth, we can calculate the diameter of the moon, according to the picture below.
Assume you have measured A = 0.5 degree. Calculate the diameter of the moon. How does it compare to the real value?