Find the area of three-fifths of a circle with radius 15 ft. Enter the numerical answer only, rounded to the nearest tenth.

Question

anonymous · Answer

Find the area of a circle with a radius of 15 ft and multiply it by $\frac{3}{5}$

kainui · Answer

So 3/5 of the area of a circle, you must know that the area of a circle is A=pi*r^2.

anonymous · Answer

what?

anonymous · Answer

what would r be?

anonymous · Answer

would the answer be 424.115

anonymous · Answer

$$\frac{3}{5}\pi  15^2=135 \pi =424.1 \text{ ft}^2 $$

anonymous · Answer

What is the arc measure of an arc with length 4.189 cm and radius equal to 3 cm?  Enter the numerical answer only.

would this be 11.5??

chris911 · Answer

@robtobey nobody gave u an medal lol

anonymous · Answer

Thank you for the medals.