itsshivani8 itsshivani8
  • 17-04-2021
  • Mathematics
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saraalvi00
saraalvi00 saraalvi00
  • 17-04-2021

Answer: x=12dm

Step-by-step explanation:

c=13     means hypotenous

a=5     means altitude

b=x=?   means   base

By pythagorean theorem

c^2=a^2+b^2

(13)^2=(5)^2+(x)^2

169=25+x^2

x^2=169-25

x^2=144

Taking sqrt  on both sides

x=12

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