Mathematics
In the adjoining figure, ABC is a triangle. DE is parallel to BC and (i) Determine the ratio (ii) Prove that △DEF is similar to △CBF. Hence, find (iii) What is the ratio of the areas of △DEF and △CBF ?
Related Questions
In the given figure, AB and DE are perpendiculars to BC.
(i) Prove that △ABC ~ △DEC.
(ii) If AB = 6 cm, DE = 4 cm and AC = 15 cm, calculate CD.
(iii) Find the ratio of the area of △ABC : area of △DEC.
In △ABC, AP : PB = 2 : 3. PO is parallel to BC and is extended to Q so that CQ is parallel to BA. Find :
(i) area △APO : area △ABC
(ii) area △APO : area △CQO.
