The circumference of a circle is 24 cm. four of these circles are put together to make this shape. the centres of the circles are at the vertices of a square. what is the perimeter of the shape? provide an explanation with how you got your answer! !

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x