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08-05-2020
Mathematics

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can someone help me do this with working pls

can someone help me do this with working pls class=

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ItsDodo ItsDodo

08-05-2020

∵ the two triangles are congruent

AB / AD = BC / DE
8/4 = 6/ DE
DE = 6 x 3 ÷ 8 = 3 cm

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