About 7.38 centimeters
The answer is 121.92 centimeters in diameter. One inch is equal to 2.54 centimeters. To convert inches into centimeters, multiply the inches by 2.54.
21.21 millimeters wide
It is 3 inches in diameter, and 9 centimeters in width and height.
The radius of a circle is half the length of the diameter, so if the diameter is 32 centimeters the radius is 16 centimeters.
2.16535 inches.
The circumference of a circle with a diameter of 6 centimeters is 18.85 centimeters.
The diameter of the Earth is approximately 12,742 kilometers. To convert this to centimeters, you multiply by 100,000 (since there are 100,000 centimeters in a kilometer). Therefore, the Earth's diameter is about 1,274,200,000 centimeters.
The area of a circle with a diameter of 8 centimeters is: 50.27 square centimeters.
A circle with a diameter of 18 centimeters has an area of 254.47 square centimeters.
The primary mirror of the HST has a diameter of 2.4 m; the secondary mirror measures 30 cm in diameter.
2.12 cm (or 21.2 mm)
49 cm2