Formulas For All Shapes Math
Area of sector worksheet.
Formulas for all shapes math. Right triangle and pythagora s theorem pythagora s theorem. In general the area of shapes can be defined as the amount of paint required to cover the surface with a single coat. Length of arc l θ 360 2πr. Following are the ways to calculate area based on the number of sides that exist in the shape as illustrated below in the fig.
Power zero a 0 1. 3 3 3 3 3 5 3 15. When we know the radius r of the circle and arc length l. Perimeter a b c.
Exponents and powers maths formulas. The following represents some of the most common shapes in geometry and their formulas for perimeter area volume surface areas and circumference. In this list the shape is followed by two formulas the first formula is for the surface area sa and the second formula is for the volume v. Each formula has calculator all geometry formulas for any triangles calculator online.
P 2 l w a lw. You will need to know the lengths of all three sides a b c to measure the full perimeter. The perimeter of this rectangle is 7 3 7 3 20. When we know the radius r of the circle and central angle θ of the sector.
Let us write the formulas for all the different types of shapes in a. Perimeter is the distance around a two dimensional shape. Area of 2d shapes formula. Sa 2lw 2lh 2wh.
The perimeter of this regular pentagon is. This formula works for any triangle no matter if the sides are equal or not. Area 5 3 15. Area of the sector l r 2.
Area w h w width h height. Worksheet for length of arc. The two sides a and b of a right triangle and the hypotenuse c are related by. Fraction formula sqrt a a frac 1 2 reverse formula sqrt n a a frac 1 n negative power value a n frac 1 a n fraction formula a n frac 1 a n.
A table of formulas for geometry related to area and perimeter of triangles rectangles cercles sectors and volume of sphere cone cylinder are presented. To find out the triangle s area you will need only the length of the base b and the height h which is measured from the base to the peak of the triangle. All the basic geometry formulas of scalene right isosceles equilateral triangles sides height bisector median.