Find the perimeter, circumference, or distance around the figure given in the following problem, by using the appropriate formula. Round approximate answer to the least accurate of the given measurements. Assume r = 2.00 cm, a = 12.00 cm, b = 4.00 cm.

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anonymous · Answer

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anonymous · Answer

The three sides of the "rectangle" would be a + b + a which is
12.00 + 4.00 + 12.00 cm = 28cm

The circumference of a circle = 2 pi r
Circumference = 2 * 3.14 * 2.00
Circumference = 12.56  BUT we are only going to walk around half of the circle
12.56/2 = 6.28cm  

So you would add 28cm + 6.28cm = 34.28cm