answersLogoWhite

0


Best Answer

A circle with a radius of 21 cm has an area of ~1,385.44 square cm

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the approximate area of a circle whose radius is 21 cm?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the approximate area of a circle with a radius of 26 ft?

what is the approximate area of a circle with a radius of 26ft


What is the approximate area of a circle with a radius of 11 m?

A circle with a radius of 11m has an area of ~380.13 m2


How much greater is the area of a circle whose radius is 6ft than the area of a circle whose radius is 3ft?

Radius is x2 so area is x4.


What is the area of a circle whose radius is 19 centimeters?

The area of a circle whose radius is 19 centimeters is: 1,134 cm2


What is the area of a circle with a radius of 7 meters?

3850m is the area of the a circle whose radius of 7meaters


What is the approximate area of a circle with a radius of 15 ft?

Approximate area of a 15 foot radius circle is a little more than 700 square feet.


What is the approximate area of the circle with a radius of 7.8?

Area of the circle = pi*7.82 = 191.134497 Approximate area = 3*82 = 192


What is the radius of a circle whose area is 3.14 square centimeters?

The radius of a circle whose area is 3.14 square centimeters is: 1 cm


What is the area of a circle whose radius is 18 cm?

Area of a circle = pi (3.14) times the radius squared.


What is the area of a circle whose radius is 6.6 inches?

A circle with a radius of 6.6 inches has an area of 136.85 square inches.


What is the area of a circle whose radius is 7.75 meters?

A circle with a radius of 7.75 meters has an area of 188.69 square meters.


What is the approximate area of a circle with a radius of 1.6 centimeters?

A=Pi(r)2 - A circle with a radius of 1.6 centimetres has an area of 8.04 square centimetres.