8 shirts 9 pants, how many possible combinations

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.