Angle A = 180 - 90 - 67 = 23
Tan(67) = b/10
b = 10 Tan(67) = 10 (2.3558) = 23.558
c = sqrt(10^2 + b^2) = sqrt(100 + (23.558)^2) = sqrt (100 + 554.979) = sqrt(654.979) = 25.5925
c = 25.5925
So the answer is
A = 23 grades
b = 23.558
c = 25.592
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