38.52 units2
86.66-86.7
86.66 - 86.7 units squared
The area of a circle (to the nearest hundredth) with a 5-unit radius is: 78.54 square units.
B.50.27
15.13 feet
The area of a circle with a circumference of 13 is: 13.45 square units.
140.37 units squaredThe area of this circle is: 140.37 units2
86.66-86.7
86.66 - 86.7 units squared
If you have the radius, then area = pi*r2 which you then round to the nearest hundredth. If you do not know the radius but do know the diameter or circumference, you can calculate the radius. Otherwise you need to measure it.
The area of a circle (to the nearest hundredth) with a 5-unit radius is: 78.54 square units.
28.27
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.
B.50.27
15.13 feet
A circle with a diameter of 11 inches has an area of 95.03 square inches.
16.0