The edge of the cube is 6 cm. How much will the volume of the cube decrease if each of its edges decreases by 1 cm.
| January 7, 2021 | education
Let us first find the volume of the original cube if its edge is 6 cm:
6³ = 216 cm³.
Find the edge of the smaller cube:
6 – 1 = 5 cm.
Find the volume of the smaller cube:
5³ = 125 cm³.
Now let’s find how much the volume of the cube has decreased:
216cm³ – 125cm³ = 91cm³;
Answer: the volume of the cube will decrease by cm³.
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