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Compare shapes

CONCEPTS

Tips

• When comparing shapes, they are typically related by a ratio or a %


EXAMPLES

• The ratio of the area of the larger cube to the smaller cube is 2 : 1

• The larger cube is 50% larger than the smaller cube

PRACTICE PROBLEMS



Question 1 Each edge of a cube is 4 in long. Each edge of a 2nd cube is triple the length of each edge of the 1st cube. The volume of the 2nd cube is how many cubic inches bigger than the volume of the 1st cube?


-- Answer -- 1664

4*4*4 = 64

12*12*12=1728

Difference = 1664

ACT PRACTICE PROBLEMS

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