Potatoo's answer to angeline's Secondary 2 Maths Singapore question.
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Pythagoras theorem
23^2 = 15^2 + r^2
r^2 = 304
r = 17.4355958
≈ 17.4 (3sf)
23^2 = 15^2 + r^2
r^2 = 304
r = 17.4355958
≈ 17.4 (3sf)
Date Posted:
3 years ago
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