1. Δ DEF and Δ GHI are similar triangles. Length of DE is 4 cm and length of the corresponding side GH is 9 cm. What is the ratio of areas of Δ DEF and Δ GHI?
Write Comment
Comments
- By: anil on 05 May 2019 02.18 amIt is given that ΔDEF $$sim$$ ΔGHI Also, length of DE = 4 cm and length of the corresponding side GH = 9 cm => Ratio of Area of ΔDEF : Area of ΔGHI = Ratio of square of corresponding sides = $$(DE)^2$$ : $$(GH)^2$$ = $$frac{(4)^2}{(9)^2} = frac{16}{81}$$ $$ herefore$$ The required ratio is 16 : 81 => Ans - (C)
Show Similar Question And Answers
