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Mathematics
Leanna Hoffman
11 March, 16:22
Solve the triangle.
B = 72°, b = 12, c = 8
+2
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Asia Collier
11 March, 19:16
0
The answer is 12^2=x^2+8^2-16x (cos (72°)
x^2-4.9443x=80
(x-2.4721) ^2=86.1115
x-2.4721=±9.2796
x=11.7517
B=72°, b=12, c=8, a=11.8
C=arcsin (8/12*sin (72°)) = 39.3°
A=68.7°
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