anonymous
  • anonymous
Help Help Help! Will Medal And Fan! @ali2x2
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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anonymous
  • anonymous
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SolomonZelman
  • SolomonZelman
Ok, you know that in a right triangle with legs a and b, and a hypotenuse c, the following must always be true: \(\large\displaystyle c^2=a^2+b^2\) so with a hypotenuse 145 and a leg of 144 you get 145²=144²+b² 145²-144²=b²
SolomonZelman
  • SolomonZelman
But " b² " is not the unknown leg (it is the unknown leg squared).

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anonymous
  • anonymous
I think its A or B.
SolomonZelman
  • SolomonZelman
Good for a start... You know that the unknown leg (b) is the square root of " 145²-144² " correct?
SolomonZelman
  • SolomonZelman
So is the square root of " 145²-144² " equivalent to 289 or 41761
SolomonZelman
  • SolomonZelman
you know what, lets do this....
SolomonZelman
  • SolomonZelman
40,000 = 200² and certainly 200 is even less than 41761. Now 145² is less than 200² and if 200² is less than 41761 then certainly 145² is less than 41761. And 145² is smaller when you subtract 144² from that, so would it make any sense if 145²-144² was equivalent to 41761 ?
SolomonZelman
  • SolomonZelman
let me revise
SolomonZelman
  • SolomonZelman
40,000 = 200² and certainly 200² is even less than 41761. Now 145² is less than 200² and if 200² is less than 41761 then certainly 145² is less than 41761. And 145² is smaller when you subtract 144² from that, so would it make any sense if 145²-144² was equivalent to 41761 ?
anonymous
  • anonymous
A. :) Can u help me with the next questions
SolomonZelman
  • SolomonZelman
Yes, A is right... will see how it goes, i will try.

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