XOBriley XOBriley

21-10-2017
Mathematics

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Plleeaassee help it is URGENT MAATHH HELP PLEASE WILL GIVE 5 STARS ON ALL CORRECT ANSWERS, MARK AS BEST ANSWER AND SAY THANKS

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chi3fcomm5nd chi3fcomm5nd

21-10-2017

using Pythagoras in the first question
c=[tex] \sqrt{16 ^{2} + 4^{2} } =16.4924[/tex]
which is approximately 16.5
for the second question
we also use Pythagoras
[tex]b^2=c^2-a^2[/tex]
[tex] \sqrt{13^{2}-12^2}=5 [/tex]

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