14. A rectangular box has the dimensions shown. (a) Determine the angle BAC to the nearest degree. (b) Determine the area of the triangle ABC to the nearest tenth of a centimeter. B Law of cosines: c²=a² + b² - 2ab cos y Heron's formula for triangular area: A=√√p(p-a)(p-b)(p-c), where p= (a+b+c) / 2. 23 cm 43 cm 16 cm C

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