Question

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Figure I and Figure II are similar pentagons.


Which proportion must be true?

Answer 1

9514 1404 393

Answer:

(b) y/6 = 7/5.25

Explanation:

Clockwise from the obtuse angle, the side ratios are ...

Fig I : Fig II

4.2 : 3.15

y : 6

7 : 5.25

6 : x

4 : 3

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A true proportion will have corresponding parts of these ratios in corresponding places. The only true proportion listed is ...

`(y)/(6)=(7)/(5.25)`