Item 22 the navy pier ferris wheel in chicago has a circumference that is 56% of the circumference of the first ferris wheel built in 1893. what was the radius of the first ferris wheel?

Given that the navy pier ferris wheel in chicago has a circumference of 439.6 ft that is  56% of the circumference of the first ferris wheel built in 1893.

Let x be the circumference of the first ferris wheel, the 56% of x = 439.6

0.56x = 439.6

x = 439.6 / 0.56 = 785 ft

Recall that the circumference of a circle is given by




Therefore, the radius of the first ferris wheel is 15.8 ft.

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