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30 POINTS TO WHO EVER ANSWER THIS QUESTION!!!!
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30 POINTS TO WHO EVER ANSWER THIS QUESTION!!!!

30 POINTS TO WHO EVER ANSWER THIS QUESTION!!!!-example-1
User Feelsbadman
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Answer:15

Explanation:Since these are similar triangles it means each contrasting side length has a ratio and the ratio for the side lengths is 1:3 based on 4:12 so you would multiple the side length of Db times 3 to find Ed and your answer is 15
User Jprete
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