Mathematics
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.
Related Questions
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.
△ABC ~ △DEF. If BC = 3 cm, EF = 4 cm and area of △ABC = 54 sq.cm, determine the area of △DEF.
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.
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.