# Area of a 105 Centimeter Circle

What is the area of a circle with a DIAMETER of 105 cm (radius of 52.5 cm)? How big is a 105 centimeter circle?
Diameter
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ft
in
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meters
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Area of a 105cm diameter circle
 8,659.0 square centimeters 0.86590 square meters 1,342.1 square inches 9.3205 square feet 1.0356 square yards
results may be rounded

#### Area of a Circle Formula

The area of a circle is pi times the square of its radius. The radius is half the diameter.

Area = π * (Diameter / 2)2

#### Diameter of a Circle

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Circle Area by Diameter
results may be rounded
Diameter cm2 in2 ft2
105.0 cm 8,659 1,342 9.320
105.1 cm 8,676 1,345 9.338
105.2 cm 8,692 1,347 9.356
105.3 cm 8,709 1,350 9.374
105.4 cm 8,725 1,352 9.392
105.5 cm 8,742 1,355 9.409
105.6 cm 8,758 1,358 9.427
105.7 cm 8,775 1,360 9.445
105.8 cm 8,791 1,363 9.463
105.9 cm 8,808 1,365 9.481