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Need help with 6 and 7
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Need help with 6 and 7

Need help with 6 and 7-example-1
User CreativePS
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Answer:

part 7 = 15cm

Explanation:


x {}^(2) = (12) {}^(2) + (9) {}^(2) \\ x {}^(2) = 144 + 81 \\ x {}^(2) = 225 \\ x = √(225) = 15

User Pixelbadger
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