There's no picture but soon as you add one so I can see what I'm answering then I will immediately help!
The formula for a circumference of a circle is 2πr
2 × π × 25 = 157
so your answer is A 157in.
I hope I've helped!
This is a triangular prism.
The lateral faces are triangles; this means that the two bases are parallel to one another. This makes it a prism instead of a pyramid.
The bases being triangles makes it a triangular prism.

Use substitution:


<span>we're going back to substitution:

therefore

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1 day = 24 hours
365 days per year = 365 x 24 = 8760 hours per year
8760 x 6 = 52,560 hours