Deriving the formula. Proof and explanation that Surface Area of a Sphere is equal to 4πr^2 using geometry and algebra.The surface area of a sphere is the ar.

A globe showing the radial distance, polar angle and azimuthal angle of a point P with respect to a unit sphere, in the mathematics convention. In this image, r equals 4/6, θ equals 90°, and φ equals 30°. In mathematics, a spherical coordinate system is a coordinate system for three-dimensional space where the position of a point is.

Steps 1. Know the parts of the equation, Surface Area = 4πr2.. Using almost any calculator, you can plug in the radius to. 2. Find the radius of the sphere. Sometimes your problem will supply you the radius, and other times you will have to. 3. Square the radius by multiplying it by itself..

The volume of a Sphere: It is the amount of space contained by a sphere. The volume is calculated by the integration method and measured in cubic units. The formula to calculate the volume of a sphere is, where r is the radius of the sphere. The size of the sphere determines the volume of the sphere and is based on the radius.

See answer Advertisement molishka Answer: The smallest division on the main scale of a Vernier calipers is 0.1 cm. Ten divisions of the Vernier scale correspond to nine divisions of the main scale. The figure below on the left shows the reading of this calipers with no gap between its two jaws. Advertisement Advertisement

On top of an insulating stand, a neutral conducting sphere is at rest. A negatively charged tube is brought close to the neutral sphere (without touching it). The electrons are forced to travel from the left to the right side of the sphere by the presence of the negatively charged tube. Step 2: Content Explanation

the smaller sphere M9 20P Two spheres of the same metal weigh 1 kg and 7 kg. The radius of the smaller is 3 cm. The two spheres are melted to form a single big sphere. Find the diama the big sphere. Hint.

Click here👆to get an answer to your question ️ Find the radius of a sphere whose surface area is 154 cm^2 .

When metal atoms are arranged with spheres in one layer directly above or below spheres in another layer, the lattice structure is called simple cubic. Note that the spheres are in contact. In a simple cubic structure, the spheres are not packed as closely as they could be, and they only “fill” about 52% of the volume of the container.

Click here👆to get an answer to your question ️ e increases by 0.15 % 11. The volume of a metal sphere increases by when its temperature is raised by 24°C coefficient of linear expansion of metal is : (1) 2.5 x 10-5/°C (2) 2.0 x10 5 /°C (3)-1.5 x 10-5/°C (4) 1.2 x 105 /°C

biology If the radius of a sphere is increases by 150% then percentage increase in volume is A 100% B 25% C 125% D 33721 % Answer Correct option is D 33721 % Volume of a sphere of radius 'r' = 34πr3 New radius = 100150r = 23r Hence, volume of the new sphere = 34π(23r)3 = 827 × 34πr3