Question

∆ABC~∆PQR.A(∆ABC)=27square A(∆PQR)=48square.If BC =7.2cm,find the length of QR.

Answer 1

$92 \frac{?}{?}$
$9652 \sqrt{21235.2311256321122}$
$9999 {522 = 512521222654}^{2}$