Respuesta :

StarCrystal
for number 1)

you must first split the figure, so subtract the 8 mm from 12 mm to find the width.... = 4mm

so you use the numbers 10 x 2 x 4 = 80 mm

and 2 x 8 x 3 = 48 mm


80 mm + 48 mm = volume of the figure