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Find the value of x in the triangle shown below

Find the value of x in the triangle shown below-example-1
User Oxon
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2 Answers

10 votes

the answer is c (x=15)...

User Tomislav Dyulgerov
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3.9k points
8 votes


\large\bold\color{pink}{{★ƛƝƧƜЄƦ ↦}}


\\ \large \rm{↠Given \: triangle \: is \: right \: angled \: triangle .}
\\\rm{Pythagorean \: Theorem \: states \: that} \\ \\ \large \rm{↠Hypotenuse = \sqrt {Altitude^(2) + Base ^(2) } }


\blue{\rule{15mm}{3.9pt}} \red{\rule18mm3.5pt} \gray{ \rule18mm3.5pt}

Here,

  • Hypotenuse = AC ( x )
  • Altitude = AB ( 12 )
  • Base = BC ( 9 )


\blue{\rule{15mm}{3.9pt}} \red{\rule18mm3.5pt} \gray{ \rule18mm3.5pt}


\rm{↠Substituting \: values }


\large\rm{↠AC= \sqrt {AB^(2) + BC ^(2) } } \\ \\ \large\rm{↠x = \sqrt{12 ^(2) + 9 ^(2) } } \\ \\ \large\rm{↠x = √(144 + 81) } \\ \\ \large\rm{↠x = √(225) } \\ \\ \large\rm{↠x =15 }

Option C ✓


\underline{\rule{100mm}{3.2pt}}


\sf{\:мѕнαcкεя\: ♪...}

User Leedex
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3.0k points