book Maths Puzzle Numerical Ability

Can someone help me with this problem?

I have a square and a semicircle 3/4 down. The radius is 11 inc. I need to find the perimeter using 3.14 for pi and round the answer to one decomal place.
Thanks,
Sher

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book Other Question
This is really about Properties or Axioms.....
One of my homework assignments asks me to write a convincing argument and tell why it is not necessary to state a subraction propert For a light that has an intensity of 60 candles at its source, the intensity in candles, S, of the light at a point d feet from the source is given by the formula S=60K/dē , where