Answer:
Explanation:
1.5 x 4.5 x 4.5 = 30.375
30.375 ÷ 3 = 10.125
10.125= volume of the triangle
3 x 4.5 x 4.5 = 60.75
60.75 = volume of rectangle
60.75 + 10.125 = 70.875
70.875 = total volume
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