The radius of a 2 cm circle is: 1 cm
The radius (radii) of a circle is 1/2 of the diameter. The radius of a circle with a 6.2 cm diameter is 3.1 cm.
If a circle has a circumference of 150 cm, its radius is 150/(2*pi) = 23.87 cm (approx)
The circumference of a circle if the radius is 5 cm is: 31.42 cm (radius x 2 x Pi = circumference).
Radius is found out by dividing the diameter by 2 . The radius of a circle with a diameter of 55 cm is 27.5 cm
The radius measures from the center of the circle to the perimeter (outside), so if the radius is 8.5 cm that would make the diameter of the circle 17 cm. (8.5 cm X 2 = 17 cm)
A circle with a radius of 2 cm has an area of 12.57 square cm.
The perimeter of a quarter circle is 2 radii plus a quarter of the circumference of the whole circle: → 2 × radius + ¼ × 2 × π × radius = 32.13 cm → radius × (2 + π/2) = 32.13 cm → radius = 32.13 ÷ (2 + π/2) cm ≈ 9.00 cm
The diameter of a circle is twice its radius. Thus the radius of a circle is half its diameter. → a circle with a diameter of 15 cm has a radius of 15/2 cm = 7.5 cm
The radius (radii) of a circle is 1/2 of the diameter. The radius of a circle with a 6.2 cm diameter is 3.1 cm.
Its radius is: 4/2 = 2 cm
diameter = radius × 2 → radius = diameter ÷ 2 = 10 cm ÷ 2 = 5 cm
2 cm
Area of ANY circle is (pi) x (radius)2 .
Diameter = 2 times the radius = (2 x 8.5) = 17 cm
If a circle has a circumference of 150 cm, its radius is 150/(2*pi) = 23.87 cm (approx)
diameter =2*radius =2*2 cm = 4 cm
The circumference of a circle if the radius is 5 cm is: 31.42 cm (radius x 2 x Pi = circumference).