The seventh-grade class is building target areas for a PE activity. The bases for the game will be circular in shape. The diameter of each circle is 5 feet. Approximately how many square feet of the turf need to be painted for a base circle? Use 3.14 for π and round your answer to the nearest tenth.

15.7 square feet
19.6 square feet
42.8 square feet
78.6 square feet

Question

The seventh-grade class is building target areas for a PE activity. The bases for the game will be circular in shape. The diameter of each circle is 5 feet. Approximately how many square feet of the turf need to be painted for a base circle? Use 3.14 for π and round your answer to the nearest tenth.

 15.7 square feet
 19.6 square feet
 42.8 square feet
 78.6 square feet

anonymous · Answer

@taramgrant0543664

taramgrant0543664 · Answer

Ok so we will do the same thing as before starting off with finding our radius, do you remember what we did?

anonymous · Answer

kinda

taramgrant0543664 · Answer

So to find our radius we just divide out diameter into 2 the equation is r=d/2

taramgrant0543664 · Answer

After finding r you can put it into the area formula A=pir^2 with pi=3.14