Question

ΔDEF ~ ΔPQR, if EF/QR=9/4, then area of ΔDEF/ area of ΔPQR =........???

Answer 1

the answer of your question is 9/4

Answer 2

81/16

becoz ar of triDEF/ar og tri PQR=EF/QR whole square

therefore,

9^2/4^2=81/16

this answer may help u