2x+5=12 pleas and thank you :D
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The Pythagorean theorem works.
Therefore the perimeter is 12 + 9 + 15 = 36 in. (B)
Therefore the perimeter is 12 + 9 + 15 = 36 in. (B)
<h3>Check out the diagram below for the proper labeling</h3>
The radius goes from the center to the edge of the circle.
The diameter is twice as long as the radius; it is a segment going through the center with both endpoints on the circle
The circumference is the distance around the circle. Think of it as the perimeter of the circle.