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| Math Central | Quandaries & Queries |
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Question from Middle, a student: what is the perimeter of a square inscribed in a circle of radius 5.0 inches? |
Draw a diagram!
C is the centre of the circle so the length of CB is 5.0 inches. Suppose the length of a side of the square is s inches. What i the length of CA? What is the length of AB? What does Pythagoras theorem tell you?
Penny
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