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120

Step-by-step explanation:

height= 5 + 3 + 2= 10

width=  1

lenght= 6 + 2 + 4= 12f

volume= 12*1*10 = 120

30 cubic feet

Step-by-step explanation:

1. Split the shape into 2 and then find the volume for both:

shape one: 3 x 2 x 1 = 6 cubic feet

shape two: 2 x 6 x 2 = 24 cubic feet

2. Add both volumes together to get the volume of the whole shape:

6 + 24 = 30 cubic feet

add all the numbers and check the ones place.

the answer is 486. as the ones place is more than 4, the estimation will be the next 10 ie, 490

e) none of the above because the measure of angle cba is 101°