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3 years ago

9

Please help

2 answers:

kvasek [131]3 years ago

5 0

Answer:

14,7

Step-by-step explanation:

Use Pythagorean theorem.

a^2+b^2=c^2

a=√21^2-15^2= √216=14,7

nevsk [136]3 years ago

4 0

Answer:

216

Step-by-step explanation:

^

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Question Progress

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Answer:

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Step-by-step explanation:

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Read 2 more answers