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I. In Fig. 6.17.0 and (ĹŠ), DE BC. Find EC in (0 and AD in (i).1.5 cm 1 cm1.8 cm7.2 cm3 cm54 cn |
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Answer» i) AD/DB = AE/EC => 1.5/3 = 1/EC => EC = 2cm ii) AD/DB = AE/EC => AD/7.2 = 1.8/5.4=> AD = 7.2/3 = 2.4 cm |
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