Respuesta :

Answer:

Shorter leg = 5

Longer leg = 8

Step-by-step explanation:

Shorter leg = 3

Longer leg = x+3

area = (x * (x+3)) / 2 = 20

x² + 3x -40 = 0

(x + 8) (x - 5) = 0

x = -8 or x = 5    ... leg length > 0         x = 5

Shorter leg = 5

Longer leg = 8