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In Fig. 4.238, S and T are points ...

In Fig. 4.238, `S` and `T` are points on the sides `P Q` and `P R` respectively of ` P Q R` such that `P T=2c m` , `T R=4c m` and `S T` is parallel to `Q R` . Find the ratio of the areas of ` P S T` and ` P Q R` . (FIGURE)

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