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Q: What is the circumference and area of 16 cm rounded to the nearest tenth?

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47.1 is already rounded to the nearest tenth.

The radius is 7 rounded to the nearest integer The circumference works out as 44 rounded to the nearest integer.

44 is an integer and so already rounded to a tenth (and more).

It is: 160.6

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Radius is the square root of (71/pi) = 4.8 feet rounded to the nearest tenth

The answer is 0.4km2

Circumference circle = pi* r^2 Load and crunch previous formula was for area. The correct answer is 2*Pi*r = 24*Pi = 75.4 cm (rounded to nearest tenth). I stand corrected. One needs be more careful. Thank you.

The circumference of a circle with radius of 7 km is 44.0 km (to the nearest tenth), and the area of a circle with radius of 7 km is 153.9 km (to the nearest tenth).C = 2 pi RA = pi R2

50.3 units squared.

28.3 sq cm

The answer depends on the units: nearest tenth WHAT? Square mile, square kilometre, square inch?

32020.2 square miles

Its entire surface area works out as 747.7 square feet rounded to the nearest tenth

Area of a square is the square of the length of any side.Length of any side is the square-root of the area = sqrt(13) = 3.60555 feet (rounded)Rounded to the nearest tenth, that's 3.6 feet.

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Area of equilateral triangle: 0.5*8*8*sin(60 degrees) = 27.7 square inches rounded

For circumference, multiply the diameter by pi and round the product to the second decimal place. For area, multiply the square of the radius by pi and round the product to the second decimal place.

The area of a circle to the nearest tenth if its radius is 4.5 is: 63.6 square units.

Using: circumference of circle = 2 X pi X radius and area = length X width (or circumference X height in this case.) Circumference = 2 X 3.14 X 2.5 = 15.7 Area = 15.7 X 9.4 = 147.58 Since it is requested to the nearest tenth, 147.6 Isn't it a bit late to be doing this homework on a Sunday afternoon?

31.5

28.26 m 28.3 m (rounded)

17/2=8.5 8.5x8.2=72.253.14x72.25=226.8680Rounded To Nearest Tenth is 226.9

pi*11.52 = 415.4756284 or 415.5 ft to the nearest tenth

Improved Answer:-Its radius: circumference/diameter = piIts area: pi*pi squared = 31 square cm rounded to nearest integer