document.write( "Question 342744: how do you get from angle def f is right to d and e are complementary hurry please \n" ); document.write( "
Algebra.Com's Answer #245308 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
how do you get from angle def f is right to d and e are complementary hurry please
\n" ); document.write( "-----
\n" ); document.write( "The sum of the angles of a triangle = 180 degrees.
\n" ); document.write( "----
\n" ); document.write( "If f is 90 degrees, e+d = 180-90 = 90 degrees.
\n" ); document.write( "---
\n" ); document.write( "If c+d = 90, c and d are complementary angles.
\n" ); document.write( "=============================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );