tolong dijawab ya mengginakan cara

Luas = 1/2 x ax t
(x^2 - 4) = 1/2 x ( x +2) x t
(x-2) (x + 2) = 1/2 x (x +2 ) x t
(x - 2) = 1/2 t
2(x-2) = t
t = 2x - 4

x = 3
alas = x + 2 = 3 +2 = 5
tinggi = 2(3) -4 = 6-4 = 2
Luas = x^2 -4 = 3^2 -4 = 9 -4 = 5