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Volume and surface


Calculate the volume and surface area of ​​a body:

(a) 10 20 30 40 50 60 70 80 90 25 30 35 40 45 50 55 60 65 70 75 0

(b) -70 -60 -50 -40 -30 -20 -10 10 20 -20 -10 10 20 30 40 50 0

(c) -80 -60 -40 -20 20 40 60 -40 -20 20 40 60 0

(d) 0

(e) -10 10 20 30 40 50 5 10 15 20 25 30 35 40 45 0

(f) -40 -20 20 40 60 80 -30 -20 -10 10 20 30 0