Question

Triangle ABC similar Triangle DEF If AB=2.4 cm DE=1.6Cm find the ratio of area ?

Answer 1

Answer:

∆ABC similar to ∆ DEF

=> All sides are in same ratio

AB / DE = 2.4 / 1.6

= ( 3 / 2 )

therefore , ar(∆ABC) / ar(∆DEF) = ( AB/DE)²

= (3/2)²

= 9/4