Answer:
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The answer choices:
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[C]: " 12.5 m " ;
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[E]: " 17.5 m " ;
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[F]: " 20 m " ;
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are the correct answer choices; as explained below.
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Step-by-step explanation:
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How to solve:
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We are given the length of EACH of the 3 (THREE) sides of the triangle.
Note that EACH length given (on each side of the triangle in the figure) is in units of "mm" ("meters"). Note that ALL of the answer choices given are in units of "m" ("meters").
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Take the "number" (in "mm" of the length of EACH side of the triangle—but ignore the units of "mm"); divide that number by 24; and then multiply [this obtained value] by "5 m". Do this for the EACH side length of the triangle in the figure. Any answer you have for any of these values that appears as an answer choice given is a correct answer.
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So, start with:
1) side length: "96 mm" . 96/24 = 4.
4 * 5 m = 20 m ; which is: "Answer choice: [F]" .
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2) side length: "60 mm". 60/24 = (60÷12)/(24÷12) = 5/2 = 2.5 .
2.5 * 5 m = 12.5 m ; which is: "Answer choice: [C]" .
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3) side length: "84 mm". 84/24 = 3.5 .
3.5 * 5 m = 17.5 m ; which is: "Answer choice: [E]".
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So the answers are:
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Answer choices: [C], [E], and [F] are correct.
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