Question 647861
Complementary angles add to 90 degrees.  So a+b = 90 and a's complement, b,  is 90-a.<P>
a is one eighth as large as its complement.  So a = (90-a)/8.  Solve for a.<P>
8a = 90 - a   ...   9a = 90..  a = 10.<P>
10 is 1/8 as large as 90-10 = 80.