1.

If triangleABC~triangle PQR such that 2AB=3PQ and BC =12cn then find the lenght of QR​

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Answer:

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  • : 8 cm

Step-by-step explanation:

Question:-

If ∆ ABC ~ ∆ PQR such that 2AB=3PQ and BC =12CM then find the lenght of QR.

Given:-

  • ∆ ABC ~ ∆ PQR

  • 2AB = 3PQ

To find:-

  • Length of QR.

Required Solution:-

Given that

2AB = 3PQ

=  >  \frac{AB}{PQ}  =  \frac{3}{2}

\huge\mathcal{\green{Also,}}

Given that the two triangles are similar;

\huge\mathcal{\green{Therefore,}}

AB/PQ = AC/PR = BC/QR

\huge\mathcal{\green{Also,}}

Length of BC is given as 12 cm.

\huge\mathcal{\green{Therefore,}}

\frac{AB}{PQ}  =  \frac{BC}{QR}

=  >  \frac{3}{2}  =  \frac{12}{QR}

QR = 24/3

\fbox{\purple{➝ \ QR \ = \ 8}}

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