Respuesta :

Answer:

537 in²

Step-by-step explanation:

11.4 x 15 = 171

2(7 x 9) = 126

7 x 15 = 105

9 x 15 = 135

171 + 126 + 105 + 135 = 537

Answer:

474 sq. inches

Step-by-step explanation:

15 x (7+9+11.4) = 411

2x 1/2 x 7 x 9 = 63

= 474