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find the volume of the composite solid. enter the correct answer in the…

Question

find the volume of the composite solid.
enter the correct answer in the box.
\boxed{} ft³

Explanation:

Step1: 求蓝色长方体的高

已知总高度为10ft,红色长方体的高为$10-3=7$ft

Step2: 计算红色长方体体积

红色长方体长宽高为6ft、8ft、7ft,体积为$6\times8\times7=336$ $\text{ft}^3$

Step3: 计算蓝色长方体体积

蓝色长方体长宽高为10ft、8ft、3ft,体积为$10\times8\times3=240$ $\text{ft}^3$

Step4: 计算组合体总体积

将两个长方体积相加:$336+240=576$ $\text{ft}^3$

Answer:

576