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22 votes
Maker the subject of the
formula: S= r^2 - 2t

1 Answer

12 votes

Answer:

r = ±
√(S+2t)

Explanation:

S = r² - 2t ( add 2t to both sides )

S + 2t = r² ( take square root of both sides )

±
√(S+2t) = r

User Ugo Marinelli
by
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