The radius of the circle above is 5 in. What is the circumference of the circle? (Use = 3.14.)

31.4

Explanation:

diameter of a circle=2r

d=2×5

d=10cm

therefore, diameter of the circle is 10cm

Circumference of a circle is also known as Perimeter of a circle

thus, Circumference of the circle=πd or 2πr

but here we'll use πd

so, circumference=3.14×10

=31.4cm

tropical storm katrina, and it made landfall between miami and fort lauder-dale, florida, as a category 1 hurricane (a storm that, on the saffir-simpson scale, exhibits winds in the range of 74–95 miles per hour [119–154 km per hour]). sustained winds of 70 miles per hour (115 km per hour) lashed the florida peninsula, and rainfall totals of 5 inches (13 cm) were reported in some areas. the storm spent less than eight hours over land. it quickly intensified when it reached the warm waters of the gulf of mexico.

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