Physics/algebra question really needed number 32 !

If , then

We can factor out to write

which means that either or . In the latter case, we can directly solve for to get

50 inches should be the resultant vector

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees.