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Area = pi*22 = 12.566 square cm to 3 d.p.

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Q: What is a area of a circle with a diamater with 4 cm?
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Related questions

If the radius of a circle is 4 cm what is the area of the circle?

4 cm radius = Area of 50.26548 sq. cm.


What is the area of a circle when you open your compass to 4 cm to draw a circle?

This indicates a radius of 4 cm, in which case the area of the circle is: 50.27 square cm


What is the area of a circle with radius of 4cm?

A circle with a radius of 4 cm has an area of 50.27 square cm.


What is the area of a circle that has the radius of 4cm?

A circle with a radius of 4 cm has an area of 50.27 square cm.


What is the area of a circle if the radius is 4cm?

A circle with a radius of 4 cm has an area of 50.27 square cm.


What is the probability as a fraction that a point chosen at random within a circle of radius 10 cm will be inside a concentric circle of radius 4 cm?

Area circle = π × radius² Area smaller circle = π × (4 cm)² = 16π cm² Area larger circle = π × (10cm)² = 100π cm² → probability inside smaller circle = area_smaller_circle/area_larger_circle = 16π cm²/100π cm² = 16/100 = (4×4)/(4×25) = 4/25.


What is the area of a circle if the diameter is 4 cm in hectometers?

The area of a circle (in square hectometers) if the diameter is 4 cm is: 0.001257 hectometers2


How do you find the area of three quarters of a circle with a radius of 6 cm?

A circle with a radius of 6 cm has an area that is about 113.1 cm. 3/4 of that is 84.825 cm


Find the area of a circle that has a radius of 4 centimeters?

A=Pi(r)2 - A circle with a radius of 4 cm has an area of 50.27 square cm


The radius of a circle is about 4 cm The area of the circle is about?

The area is about: 50.27 square centimeters.


What is the area of a circle that has a diameter of 4 cm?

12.57 square cm.


What is the area of a circle with a radius of 4 cm?

Area of a circle = pi x (radius)2So, if the radius is 4 cm, the area is pi x 42= 50.265 cm2