19.635: square centimeters: 0.0019635: square meters: 3.0434: square inches: 0.021135: square feet: 0.0023483 : square yards. Area of a 5cm diameter circle. How can you calculate the circumference of a circle?What is the area of a circle with a DIAMETER of 5 cm (radius of 2.5 cm) How big is a 5 centimeter circle Diameter. Area of shaded region Area of quadrant. Solution: Radius of the quadrant 3.5 cm 7/2 cm (i) Area of quadrant OACB (R 2)/4 cm 2 (22/7)×(7/2)×(7/2)/4 cm 2 77/8 cm 2 (ii) Area of triangle BOD (½)×(7/2)×2 cm 2 7/2 cm 2. If OD 2 cm, find the area of the (i) quadrant OACB, (ii) shaded region.
It is like the perimeter of other shapes like squares. The circumference of a circle is the distance around the outside of the circle. You can read more about circumference in this WikiPedia article - Circumference. The formula to find the circumference when radius is given is Radius Circumference/(2) The formula to find the area when radius is given is Area of circle RadiusRadius In the above formulas, 3.14159 and R is the radius.
The diameter will always pass through the center of the circle. The diameter is the distance from one side of the circle to the other at its widest points. Given the radius or diameter and pi you can calculate the circumference. The radius, the diameter, and the circumference are the three defining aspects of every circle. Which transformation would This diagram shows the circumference of a circle.There are two other important distances on a circle, the radius (r) and the diameter (d). For shapes made of straight edges this line is called the perimeter but for circles this defining line is called the circumference.Circle A, centered at A(-4, 3) with radius of 3 cm is translated so that it is concentric with Circle B, centered at B(8.
Since the radius is 3m, we know that C = π x 6m = C= 18.84m (to 2 decimal places). Since the diameter is 10cm, we know that C = π x 10cm = 31.42cm (to 2 decimal places).If a circle has a radius of 3m, what is its circumference? AnswerWe know that C = 2πr. Example 1If a circle has a diameter of 10cm, what is its circumference? AnswerWe know that C = πd. If r is the radius of the circle, then d = 2r. We already know that C = πd.
Given this information, what is the circumference of the Earth? Get out a piece of paper and a calculator and see if you can work it out on your own.Again, we know that C = πd, and that the diameter of the earth is 12,742km. How to calculate the circumference of the EarthHave you ever wondered how big the earth is? Well, using pi it’s possible to work out the circumference of the Earth! Scientists have discovered that the diameter of the Earth is 12,742km. The missing length is 13.51m. With a little thinking we can easily figure out that, C = π x 4.3m = 13.51m (to 2 decimal places). Using the knowledge that the diameter is 4.3m on the diagram and knowing that C = πd, we can calculate the circumference.
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