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Allushta [10]
3 years ago
7

Please help me with this i don’t understand

Mathematics
1 answer:
nevsk [136]3 years ago
4 0

Answer:

20.12 ft

Step-by-step explanation:

if you take 6^2 and subtract that from 21^2 then you will get your answer after finding the square root of the answer that the calculator gives you.

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