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adelina 88 [10]
3 years ago
7

Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Mathematics
1 answer:
Andreyy893 years ago
7 0

Answer:

\sqrt{143}

Step-by-step explanation:

Use pythagorean theorem to find the missing side.

a^2+b^2=c^2

1^2+b^2=12^2\\1+b^2=144\\b^2=143\\b=\sqrt{143}

This can not be simplified any further.

The third side in simpliest radical form is \sqrt{143}.

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How do I solve this type of problem? I'm trying to find both missing values. Please explain how to solve this as thoroughly as y
goldenfox [79]
Hi there! 

In order to solve, we'll need to use a proportion: 20/a = 21/20. Then, we'll cross-multiply and solve to find a: 21a = 400 | a = 19.05. Next, to find b, we can just use pythagorean theorem: 20^2 + (400/21)^2 = b^2 | b = 27.62.
We are using geometric mean to solve for a, then using pythagorean theorem to solve for b. If you need more help with geometric mean, or would like a complete explanation, please let me know! I'd be happy to provide you with that information.

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3 0
3 years ago
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lora16 [44]

Answer:

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1:

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and

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Answer:

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4 0
2 years ago
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siniylev [52]

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