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Romashka [77]
2 years ago
13

What is the length of segment R S?

Mathematics
1 answer:
kotegsom [21]2 years ago
5 0

Answer:

C

Step-by-step explanation:

since the triangles are similar then the ratios of corresponding sides are in proportion , that is

\frac{RS}{FG} = \frac{ST}{GH} ( substitute values )

\frac{RS}{21} = \frac{4}{12} ( cross- multiply )

12 RS = 84 ( divide both sides by 12 )

RS = 7 cm

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