The areas of two similar triangles ∆ABC and ∆PQR are 81 cm2 and 25 – McqOptions

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1.	The areas of two similar triangles ∆ABC and ∆PQR are 81 cm2 and 25 cm2 respectively. If PQ = 7.5 cm, then the length of AB (in cm) is?
A.	13.5
B.	9
C.	27
D.	21
Answer» B. 9

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