Question: 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

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. Law of cosines: =d+b-2abcos Heron's formula for triangular area: B 23 cm App-a)(p-b)(p-c), where p = (a+b+c)/2.

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