Math, asked by debjanic2019, 1 year ago

the areas of two similar triangles triangle ABC and triangle pqr 64 CM square and 169 cm square if AC 6.9 CM then PR would be Dash ​

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Answers

Answered by rani49035
1

Answer:

by the relation of similar triangles

we conclude that,

 \frac{ {ac}^{2} }{ {pr}^{2} }  =  \frac{64}{169 }  \\  \frac{ac}{pr}  =  \frac{8}{13}  \\ as \: a c \: is \: 6.9 \: put \: the \: value \\   \frac{6.9}{pr}  =  \frac{8}{13}

so pr is equal to 11.2125cm

hope this will help you..

Answered by suvedkeny
0

Answer:

11.2cm

Step-by-step explanation:

ΔABC SIMILAR TO ΔPQR

A(ΔABC)÷A(PQR)=64÷169

ALSO, A(ΔABC)÷A(PQR)= AC²÷PR²

THUS AC²÷PR²=64÷169

            AC÷PR=8÷13.......(TAKING SQUARE ROOT ON BOTH SIDES)

           13(AC)=PR(8)

           PR=13×AC÷8

   =13×6.9÷8

=89.7÷8

=11.2cm

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