Compute the characteristic of the ring
Compute the characteristic of the ring
Number of element in
So, 270x will be the zero element of
Five circles are placed in a rectangle as shown. If the length of the shorter side of the rectangle is 1, find the length of the other side.
For the two circles in Figures (a), (b), and (c), find the total number of common tangents (internal and external).
a)
b)
c)