The Area of a Circle Depends on the Length of Its

question 29

Essay

The area of a circle depends on the length of its radius.
(a)Write a function a(r)for the area of a circle.
(b)How many square units of sod are needed to cover a circular grass area of radius x?
(c)If the radius of the circular grass area is increased by 2 feet,how much more sod is needed?
(d)How much more sod is needed per foot increase?
(e)If the radius of a circular grass area is increased by h,how much more sod is needed?
(f)How much more sod is needed per unit increase?

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Definitions:

Metric Twist Drills

Drill bits designed according to metric measurements, used for creating holes of specific diameters in various materials.

Preferred

Used to indicate a choice or option that is more desirable or is recommended over others.

Radial Locking Pins

Mechanical fasteners used to secure components together, which lock into place by fitting into a radial hole and preventing axial movement.

Grooved Surface

A surface featuring long, narrow cuts or indentations, often used to enhance grip or provide a path for fluids.