Question

21. ∆ABC - ∆DEF, if AB=5,DE=7, find AR (ABC): AR(DEF)​

Answer 1

Answer:

as the theorem is " the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides " .

Therefore , ar (ABC) / ar (DEF) = (5)^2 / (7)^2

= 25 / 49

Answer 2

Step-by-step explanation:

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