Math CentralQuandaries & Queries


Question from Middle, a student:

what is the perimeter of a square inscribed in a circle of radius 5.0 inches?

Draw a diagram!

circle and square

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?


About Math Central


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.
Quandaries & Queries page Home page University of Regina PIMS