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Find the error and explain what there is incorrectly. Then, solve the problem correctly.
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Find the error and explain what there is incorrectly. Then, solve the problem correctly.

Find the error and explain what there is incorrectly. Then, solve the problem correctly-example-1
User TmKVU
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2 Answers

6 votes
He/she forgot that 8^2=64 not 16, and 7^2=49 not 14. As a result, the correct answer is:
a^2+b^2=c^2
7^2+b^2=8^2
49+b^2=64
b^2=15
b≈3.9 cm. Hope it help!
User Mahe
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5.7k points
2 votes
the problem is that 7^2 is 7*7, and the same for 8^2. The right answer is the square root of 15, or 3.87
User Karthikeyan Vedi
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5.2k points
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