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Subjects>Math>Geometry

A circle has a diameter of 7cm what is it's area and circumstance?

Updated: 4/28/2022

Wiki User

∙ 15y ago

Best Answer

The area of a circle is pi*r2 and its circumference is 2*pi*r where r is the radius = half the diameter.

So r = 3.5 cm.

Then area = 38.48 square cm and

circumference = 21.99 cm

As to the circumstance of the circle, that is rather a personal question!

Wiki User

∙ 15y ago

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Continue Learning about Geometry

What is the diameter of a 7cm circle?

3.14

What is the circumference of a circle with 7cm the radius?

The circumference of a circle with a 7cm radius is 44cm. The area is 154cm2

What is the perimeter of a circle with the radius of 7cm and diameter of 14cm?

The perimeter of a circle is equal to pi times the diameter, so for a circle with a diameter of 14 cm, multiply by pi, which is approximately 3.14, and you get 43.96 cm, which for most purposes you could round off to 44 cm.

What is the area of a 7cm square?

area= 7cm x 7cm = 49cm^2

What is the area of a 5cm by 7cm rectangle?

To find the area of a rectangle, you multiply its length by its width. In this case, the length is 7cm and the width is 5cm. So, the area of the rectangle is 7cm x 5cm = 35 square centimeters.

Related questions

What is the area of a circle with a diameter of 7cm?

A = 38.485 cm2

What is the diameter of a 7cm circle?

3.14

What is the diameter of a circle with a radius of 3.5cm?

7cm; the diameter of a circle is twice its radius.

If a circle has a diameter of 7cm what is the radius?

3.5 cm

In a cylinder height is 7cm and area is 659.73cm2 what is diameter?

If a cylinder's height is 7cm and its area is 659.73cm2, its diameter will be approximately 14.66cm

What is the circumference of an 7cm circle?

Assuming that what you mean is that the diameter is 7cm...Pi x 7 = 21.99114858C = 22

What is the circumference of a circle with 7cm the radius?

The circumference of a circle with a 7cm radius is 44cm. The area is 154cm2

What is the circumference of a 7cm circle?

circumference of a circle = 2*pi*radius or diameter*pi

What is the surface area of a cylinder with a height of 7cm and a diameter of 6 cm?

A cylinder with a height of 7cm and a diameter of 6cm has a surface area of 188.5cm2

How long is the circumference of a circle if the diameter is 7cm?

A circumference of 21.99 cm

What is the diameter of the circle 7cm?

It depends on what the 7 cm measure refers to.

What is the surface area of a sphere with a diameter of 7 cm?

The surface area of a sphere with a diameter of 7cm is 153.9cm2

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