A watch company is developing packaging for its new watch. The designer uses octagons with a base area of 30 in2 and rectangles with a length of 10 in to create a prototype for the new package. What is the volume of the prototype? 140 in3 200 in3 240 in3 300 in3

  300 in^3

Step-by-step explanation:

The volume of a prism is given by ...

  V = Bh

where B represents the base area (30 in^2) and h represents the height (10 in).

Using the given numbers, we find the volume of the package to be ...

  V = (30 in^2)(10 in) = 300 in^3

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step-by-step explanation: