1. Let A ABC-A DEF and their areas be, resp2ctively, 64 cm2 and 121 cm2. If EF =
15.4 cm, find BC.
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Triangles. Let ∆ABC ~ ∆DEF and their areas be, respectively, 64 cm2 and 121 cm2. If EF = 15.4 cm, find BC. ... Hence, BC = 11.2 cm.
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