In the given figure, DE || BC
(i) If DE = 4 cm, BC = 6 cm and Area (∆ADE) = 16 cm
2, find the area of ∆ABC.
(ii) If DE = 4 cm, BC = 8 cm and Area (∆ADE) = 25 cm
2, find the area of ∆ABC.
(iii) If DE : BC = 3 : 5. Calculate the ratio of the areas of ∆ADE and the trapezium BCED.
![](https://search-static.byjusweb.com/question-images/img/study_content/iit_pretests/1/10/596/3295/4.6_html_2dc481d4.png)