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qaws [65]
3 years ago
9

Someone help ASAP!!

Mathematics
2 answers:
Alinara [238K]3 years ago
7 0

Answer:

Pretty sure is 90 degrees

Step-by-step explanation:

kumpel [21]3 years ago
5 0

Answer:

{a}^{2}  =  {100}^{2}  -  {80}^{2}  \\  {a}^{2}  = 10000 - 6400 \\  {a}^{2}  = 3600 \\ a =  \sqrt{3600}  =  60mi

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