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I really need help on this question

I really need help on this question-example-1
User Emperatriz
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1 Answer

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Answer:

40 cm

Explanation:

Since the triangles are similar then the ratio of corresponding sides are equal.

Compare the ratio of the 2 smallest sides


(12)/(3) = 4 ← scale factor

Thus the longest side of the other triangle is 4 times the longest side of the first triangle , that is

longest side = 4 × 10 = 40 cm

User Slashwhatever
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