Given right triangle A, B, CABC with altitude start overline, B, D, end overline
BD
drawn to hypotenuse start overline, A, C, end overline
AC
. If A, D, equals, 40AD=40 and D, C, equals, 40, commaDC=40, what is the length of start overline, B, D, end overline, question mark
BD
?
