Question

If abc~def such that bc=3cm ef=4cm and ar abc = 54 Sq cm find area of def

Answer 1

( area of ABC / area of DEF ) = (AB/EF) ^2
(54 / area of DEF ) = (3/4) ^2
54/ area of DEF = 9 /16
area of DEF = 16*54/9 = 16 *6 = 96 cm^2

Answer 2

ar(def)=96cm sq.

hope its help you