Find the circumference of a circle with a radius of 4cm.

Find the circumference of a circle with a radius of 4cm.

Find the area of a circle with a radius of 6in.

Find the area of a circle with a radius of 6in.

You are exploring the woods near your house, when you come across an impact crater. It is perfectly circular, and you estimate its area to be .

What is the radius of the crater?

Let .

Find the area of a circle with a diameter of 14cm. If necessary, round to the nearest tenths.

You are exploring the woods near your house, when you come across an impact crater. It is perfectly circular, and you estimate its area to be .

What is the radius of the crater?

Let .

Find the area of a circle with a diameter of 14cm. If necessary, round to the nearest tenths.

The above figure depicts a dartboard, in which .

A blindfolded man throws a dart at the target. Disregarding any skill factor and assuming he hits the target, what are the odds against his hitting the white inner circle?

The above figure depicts a dartboard, in which .

A blindfolded man throws a dart at the target. Disregarding any skill factor and assuming he hits the target, what are the odds against his hitting the white inner circle?