anonymous one year ago An architect planned to construct two similar stone pyramid structures in a park. The figure below shows the front view of the pyramids in her plan, but there is an error in the dimensions: Which of the following changes should she make to the dimensions to correct her error? A. Change the length of side AB to 2 feet B. Change the length of side PQ to 8 feet C. Change the length of side AB to 1 feet D. Change the length of side PQ to 4 feet

1. anonymous

2. DanJS

since it says they are similar, the side lengths will be in equal proportions...

3. DanJS

$\frac{ BC }{ QR } = \frac{ CA }{ RP } = \frac{ AB }{ PQ }$

4. anonymous

So it would be B?

5. DanJS

two of those fractions are the same, one is different

6. anonymous

b

7. DanJS

The first two fractions are both 1/3, the last is not, unless you change AB to 2 instead

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