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inna [77]
2 years ago
10

NEED HELP ASAP!!

Mathematics
2 answers:
Kaylis [27]2 years ago
4 0

Answer:

20²+21² = x²

841= x²

x= 29

nearest tenth = 30

adelina 88 [10]2 years ago
4 0

Answer:

\boxed{x = 29}

Step-by-step explanation:

{x}^{2}  =  {21}^{2}  +  {20}^{2}  \\  {x}^{2}  = 841 \\ x =  \sqrt{841}  \\ x = 29

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