geometry
posted by marissa on .
Find the area of a rectangle that has one side measuring 10 cm. and a diagonal measuring 26 cm.

Area = Lw
Diagonal d^2 = L^2 + w^2
26^2 = L^2 + 10^2
676 = 100 + L^2
L^2 = 576
L = 24
L = 24, w = 10
A = Lw
A = 24(10)
A = ?