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what is the formula to find area. The formula of rectangular area is. Area w h w width h height.
Calculating Surface Area And Volume Formulas For Geometric Shapes Area Of A Circle Math Formulas Surface Area from www.pinterest.com
Numerous other formulas exist however for finding the area of a triangle depending on what information you know. To find the surface area of a triangular prism use the formula Surface Area L 2B where L is the lateral area and B is the area of the base. Area 5 3 15.
Now that you know the formulas and what they are used for lets work through some example problems.
The formula for the area A A of a circle is built around its radius. The most common way to find the area of a triangle is to take half of the base times the height. Area ab 2 h a r e a a b 2 h Multiplying times 1 2 1 2 is the same as dividing by 2. You find the area of a semicircle by plugging the given radius of the semicircle into the area of a semicircle formula.
