Question

For each, find the radius, diameter, and circumference of the circular object (one of these measurements is given in the problem). When working with the circumference, use π and round to the nearest whole number. a. Breaking a cookie in half creates a straight side 10 cm long.radius: cmdiameter: cmcircumference: cm

Answer 1

• radius: ,5 cm

,

• diameter: ,10 cm

,

• circumference: ,31 cm

Step-by-step explanation

If we assume that the cookie is round, when we cut it in half we'll have the following shape:

The straight side is the diameter of the cookie, which is 10 cm long.

The radius of a circle is half the diameter, hence the radius of the cookie is 5 cm.

The circumference is,

`C=\pi\cdot d`

Where d is the diameter of the circle. In this case, this is 10cm,

The circumference of the cookie is 31 cm, rounded to the nearest whole number.