Respuesta :

56 /2 = 28

35^2 - 28^2
= 1225 - 784
= 441
= 21

base of triangle = 21 x 2 = 42
area of triangle = 1/2 bh = 1/2(42)(28) = 558
area of rhombus = 558 x 2 = 1176

answer
B . 1176 in^2