Answer:
Area = 309.09121
Perimeter p = 100.06923
Explanation:
Side b = 43.85707
Side c = 41.21216
Angle ∠A = 20° = 0.34907 rad = π/9
Angle ∠B = 90° = 1.5708 rad = π/2
Angle ∠C = 70° = 1.22173 rad = 7/18π
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