AuroraDesigns AuroraDesigns

22-05-2017
Mathematics

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im supposed to find x for this arc but i don't really understand it

im supposed to find x for this arc but i dont really understand it class=

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Аноним Аноним

22-05-2017

50 = 1/2 (20+ x)
100 = 20 + x
80 = x

answer
x = 80

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