Mathematics
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.
Related Questions
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.
The areas of two similar triangles are 36 cm2 and 25 cm2. If an altitude of the first triangle is 2.4 cm, find the corresponding altitude of the other triangle.
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.
In the figure (ii) given below, DE || BC and AD : DB = 1 : 2, find the ratio of the areas of △ADE and trapezium DBCE.
