Question

Triangle abc similar to triangle def. if ab:de = 1:3, find ar(abc ): ar(def)

Answer 1

Answer:

1:9

Step-by-step explanation:

ar(abc)/ar(def) = ab^2 / de^2

ar(abc):ar(def) = (ab/de)^2

ar(abc):ar(def) = (ab:de)^2

ar(abc):ar(def) = (1:3)^2

ar(abc):ar(def) = 1:9