The distance around a round pool is 67.51 ft. what is the diameter of the pool

The distance around a round object (i.e. a circular pool, in this case) is also known as its circumference.

The formula for working out circumference is π × d, where π is the value of pi (usually rounded to 3.14) and d is the diameter.

Therefore, to work out the diameter, you just have to work backwards.

So you know the circumference, and you know the value of pi, therefore you just do:

C = π × d

67.51 = 3.14 × d

Now you just have to divide both sides by 3.14 to isolate the value of d and work out the diameter:

67.51 ÷ 3.14 = d

21.5 = d

Therefore, the diameter is 21.5 ft.

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step-by-step explanation: