Question 813871
15*2=10^2+d^2
d^2=125
d = 5 sqrt(5)
d = 11.180 AD
18^2=125+f^2
q^2 = 199
q = sqrt(199)
q = 14.107 CD
area =1/2 *24.107*11.180
area of ABC = 134.758 sq in