The two square pyramids are similar. The side length of the smaller pyramid is 3/4 the side length of the larger pyramid.Which f raction represents the ratio of the base area of the smaller pyramid to the base area of the larger pyramid?
A.9/16
B.3/4
C.4/3
D.16/9
2 answers:
The correct answer is:
A.
The fraction represents the ratio of the base area of the smaller pyramid to the base area of the larger pyramid .
The answer is <span>A.9/16. The ratio of areas of two similar squares is the square of the ratios of their similar side lengths. Since </span><span>the ratio of the smaller side length to the larger side length is 3/4, the ratio of areas of two similar squares is: (3/4)</span>² = 3²/4² = 9/16.
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