Surface area of a sphere with radius of r. To calculate the surface area of a sphere, use the formula and follow these steps: Calculate the square of the radius, r, by multiplying it by itself. Multiply the radius squared by 4. Multiply the result by π To get an approximate answer,...
Surface Area of sphere = 4πr2 where r is the radius of the sphere. Example: Calculate the surface area of a sphere with radius 3.2 cm Solution: Surface area of sphere = 4π r2 = 4π (3.2)2 = 4 × 3.14 × 3.2 × 3.2
Computing the Surface Area of a Sphere Let us consider this example: In preparing for the celebration of the Songkran Festival, the locals are making water balls. Two sizes are available: large and small. The radius length of the smaller water ball is 2.5 inches, while the larger one is t...
Answer to: Show how to find the surface area of a sphere with a radius of 8 cm. By signing up, you'll get thousands of step-by-step solutions to...
Answer to: Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number. By signing up, you'll get thousands of...
Surface Area Of Sphere Asphereis a solid in which all the points on the round surface are equidistant from afixed point, known as the center of the sphere. The distance from the center to the surface is theradius. Surface area of a sphere with radiusr= 4 πr2 ...
To find the surface area of a sphere with a radius of 7 cm, we can follow these steps: Step 1: Identify the radiusGiven:- Radius (r) = 7 cm Step 2: Use the formula for the surface area of a sphereThe formula for the surface area (SA) of a sphere is:SA=4πr2 Step 3: Subs...
Surface area of a sphere formula Given the radius, the total curved surface area of a sphere can be found by using the following formula: S.A. = 4πr2 pi or π is a special mathematical constant, and it is approximately equal to 22/7 or 3.14. ...
12 The volume, V, and surface area, S, of a sphere of radius r are given by V=4/3πr^3 a nd S=4πr^2respectively.The volume of a sphere increases at a rate of 200 cm3 per second. At the instant when the radius of the sphere is 10 cm, find(i) the rate of increase o...
Surface Area of 2D Figures Worksheet 1. For each picture, name the shape and calculate the area. (a) (b) (c) (d) 2. For each picture, name the shape and calculate the area. (a) (b) (c) (d) (e) (f) What do you notice about the area calculations?