Use a measuring tape to find the circumference of five circular objects. then measure distance across each item to find its diameter. record the measurements of each object in the table below

Basically
Circumference = 2 * pie * radius
To get the radius u need to measure the circles distance. For example I measured a circular mirror and the distance was 10cm. This is the diameter. To get the radius I’ll divide by 2 because the radius is from the centre of the circle to the edge. So, 10 divided by 2 = 5cm. The radius is 5cm. Now,
Circumference = 2 * pie * r
r = 5. Pie = 3.14
Circumference = 2 * 3.14 * 5
= The answer
pie is always 3.14
I hope you understood

The length of what is left would be 1 1/2 feet long.