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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.

Sagot :

Answer:

A=28.3feet

Step-by-step explanation:

By definition, the area of a circle is given by:

Where,

r: radius of the circle.

Substituting the values in the given expression, we have:

Rounding to the nearest tenth we have: