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Pi= 3.1416
circle / 3.1416=diameter
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∙ 15y ago
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The circumference of a circle is 60 cm what is the radius of the circle?
The radius of the circle is: 9.549 cm
What is the radius of a circle with a diameter of 15 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 diameter of a circle is 12 cm what is its radius?
If the diameter is 12 cm the radius is 6 cm.
What is a circle's diameter if the radius is 7 cm?
The diameter of a circle is double the radius. So a circle with a radius of 7 cm has a diameter of 14 cm.
What is the circumference of a circle with 8 cm radius?
The circumference of a circle with an 8 cm radius is: 50.27 cm
What is the radius of a circle of perimeter 40 cm?
Radius = 40/2pi cm
What is the perimeter of a circle with a radius of 5cm?
The circumference of a circle with a radius of 5cm is: 31.42 cm
What is the quarter circle's radius if the perimeter of a quarter circle is 32.13 centimeters?
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
What is the radius of a 20cm circle?
That depends what you mean with "a 20 cm. circle". If 20 cm. is the radius, you already have the answer. If 20 cm. is the diameter, the radius is half the diameter. (10cm)
A circle has a radius of 8.5cm what is the diameter of the circle?
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)
What is the radius if a semi-circle has a perimeter of 25.71cm?
The radius is 5.00 cm.
If the diameter of a circle is 20 centimeters what is the radius of the circle?
10 cm
What is the diameter of a circle which has a radius of 10cm?
20 cm
What is the diameter of a circle if its radius is 10cm?
20 cm
What is the perimeter of a square in centimeters circumscribing a circle of radius a centimeters?
The side of the square is equal to the diameter of the circle, in this case 2a so the perimeter is 8a cm.
What is the perimiter of a semi circle if the radius is 18cm?
The perimeter is pi*r + 2r = 92.6 cm
What is the radius of a 20 cm circle with a quarter cut out?
10 cm Cutting out a quarter of the circle doesn't affect the radius, which is half of the diameter.
