Mathematics
In the figure (i) given below, DE || BC. If DE = 6 cm, BC = 9 cm and area of △ADE = 28 sq. cm, find the area of △ABC.
Related Questions
In the figure (ii) given below, AB || DC. AO = 10 cm, OC = 5 cm, AB = 6.5 cm and OD = 2.8 cm.
(i) Prove that △OAB ~ △OCD.
(ii) Find CD and OB.
(iii) Find the ratio of areas of △OAB and △OCD.
In the figure (ii) given below, DE || BC and AD : DB = 1 : 2, find the ratio of the areas of △ADE and trapezium DBCE.
In the figure (i) given below, PB and QA are perpendiculars to line segment AB. If PO = 6 cm, OQ = 9 cm and the area of △POB = 120 cm2, find the area of △QOA.
