Perimeter formula:
1, rectangular perimeter formula = (length+width) x2
2. Square perimeter formula = side length X4
3. The formula of circle circumference =2r (r stands for radius and t stands for pi).
Area formula:
1, rectangular area formula = length x width
2. Square area formula = side length x side length
3, triangle area formula =x side length x height
4. trapezoid area formula = (upper bottom+lower bottom) x height -2
5. Formula of circular area =r2(r stands for radius and t stands for pi).
Three-dimensional graphic surface area formula:
1, cuboid surface area formula = (length× width+length× height+width× height) x22, cube surface area formula: side length× side length x6.
3. lateral area formula of cylinder = bottom circumference x height.
4. Cylindrical surface area formula = upper and lower bottom surface area+side surface area.
Volume formula of three-dimensional graphics:
1, cuboid volume formula = length x width x height
2. Square volume formula = side length × side length × side length
3. Cylinder volume formula = bottom circle area x height
4, cone volume formula = circular area at the bottom × height -3
5. Sphere volume formula =r3(r stands for radius and pi).
Application of mathematical formula;
Mathematical formula is the basic form to express scientific laws and knowledge, which is widely used in various fields, such as algebra, geometry, trigonometry, calculus, probability theory and so on. For example, we will use algebraic formulas when solving algebraic equations; When solving geometric problems or proving geometry, we will use geometric formulas; When we need to solve the problem of angle, distance or triangle, formulas of trigonometric functions comes in handy. Calculus formulas are essential in the calculation of derivatives, integrals and differential equations.
Probability formula is also widely used in the application of probability theory and mathematical statistics, which can help us calculate the probability and statistical data of an event. However, in order to use these formulas effectively, we need to first understand their meanings and the mathematical relationship behind them. Only by deeply understanding the meaning of the formula can it be accurately applied in practical problems.
Mathematical formulas are widely used in science, engineering and daily life. For example, as an advanced mathematical tool and way of thinking, Fourier transform is widely used in physics, electronics, number theory, combinatorial mathematics, signal processing, probability theory, statistics, cryptography, acoustics, optics, oceanography, structural dynamics and other fields.