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svlad2 [7]
3 years ago
13

Given triangle ABC is similar to triangle DEC. Could you use the proportion 9/10=8.75/EC to determine the measure of EC? If yes,

solve for EC. If no, rewrite the proportion and then solve for EC.

Mathematics
1 answer:
matrenka [14]3 years ago
6 0

Answer:

9.72 approximately

Step-by-step explanation:

Given triangles are similar, to solve 9/10=8.75/EC we cross multiply expressions:

9EC = 87.5 now divide both sides by 9

EC = 9.72 approximately

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