anthonyolesky
anthonyolesky
25-10-2021
Mathematics
contestada
i need help with this
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djtwinx017
djtwinx017
25-10-2021
The given angles are complementary, therefore:
(5r + 5) + (8r -6) = 90°
13r - 1 = 90
13r - 1 + 1 = 90 + 1
13r = 91
13r/13 = 91/13
r = 7
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