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Mathematics 7 Online
OpenStudy (anonymous):

help please will write the question in a minute

OpenStudy (anonymous):

study the following equilateral triangles formed by using matches |dw:1395238585494:dw| a.draw the next two figures b. complete the table |dw:1395238723489:dw| c. without drawing further sketches, find the number of matches used in (i) figure 10 (ii) figure 20 d. write down the number of matches, in terms of n, in its simplest form for figure n

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