Formula For Are Math

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Formula for are math. Interest principal rate of interest time. Commission cost of service commission rate. Learn more about area or try the area calculator. Using the formula for the area of an equilateral triangle and side length 10.

A b a b a 2 b 2. Cones volume 1 3 area of the base x height v r2h. Area w h. For example if you want to know the area of a square box with side 40 cm you will use the formula.

If a square has one side of 4 inches the area would be 4 inches times 4 inches or 16 square inches. Sales tax price of item tax rate. Learn more at area of plane shapes. If the base b and the corresponding height h are known we use the formula area 1 2 b h.

Area is the size of a surface. Discount rate discount list price. A b 2 a 2 2ab b 2. Since each side of a square is the same it can simply be the length of one side squared.

Area of square a 2 where a is the side of the square. Area 5 3 15. The length and width of the rectangle are 10 in and 4 in respectively so its area is a 10 4 40 the area of the semi circle is one half the area of a circle. X a x b x 2 b a x ab.

Area of a square side times side. If two sides and the angle between them are known we use one of the formulas depending on which side and which angle are known. The width is 5 and the height is 3 so we know w 5 and h 3. The areas of the triangular faces will have different formulas for different shaped bases.

Discount list price discount rate. A b 2 a 2 2ab b 2. Area b h. Sale price list price discount.

X a x b x 2 a b x ab. Similarly the area of a triangle can also be found using its area formula 1 2 b h. Surface area add the area of the base to the sum of the areas of all of the triangular faces. X a x b x 2 a b x ab.

There are several formulas for the area.