![]() If you have any questions about this page, ping us through the comments section below and we will get back to you as soon as possible. We hope this detailed article on the rectangle area is helpful to you. We have discussed everything about the Area of Rectangle. So, make the best use of these resources and master the subject. Hence, the region enclosed by the perimeter of the rectangle is its area.Īrea of Rectangle \(= \).Īt Embibe, we provide free Maths practice questions for Class \(8,9,10,11,\) and \(12\) along with detailed solutions: Class 8 Maths Practice Questions ![]() Whereas, when we speak about the perimeter of a rectangle, it is equal to the sum of all its four sides. When you calculate the lateral surface area, begin with the area of one of the triangular faces.Basically, the formula for the area of a rectangle is equal to the product of the length and breadth (or width) of the rectangle. The base refers to the square shape, therefore: The formula to use is:įrom this, you can split the formula into:Ī = A(base) A(lateral) = A(base) 4 * A(lateral face) This is the type of pyramid we will use for this particular surface area calculation. Usually, pyramids usually have a regular polygon base. L refers to one side of the square How to find the surface area of a pyramid?Ī pyramid is a 3D shape with triangular lateral faces and a polygonal base. Therefore, the formula for the surface area of a cube is: The area of the square equals the product of the length of all of its sides. Since the formula for the surface area of a square is: ![]() You won’t even need to use a surface area calculator for this. To use this formula, you must first find the base and lateral area using the following equations:Ī(lateral) = h * (2 * π * r) How to find the surface area of a cube?Īmong all of the shapes, the surface area of a cube is the easiest one to find. This formula comes from the equation of a cylinder’s surface area which is: Generally, the formula for the base of a circle is: To solve for the surface area of a cylinder, you need to have two values which are the height and the diameter or radius of the base. When simplified is A = A(lateral) 2 * A(base) How to find the surface area of a cylinder? Therefore, the final formula to use to find a triangular prism’s surface area is:Ī = h * (a b c) 0.5 * √((a b c) * (-a b c) * (a – b c) * (a b – c)) One of the most common methods is to use Heron’s formula which is typically used when you have the values for all three sides of the triangle. There are several ways to do this depending on the value you have. P refers to the perimeter of the base triangleĪfter this, it’s time to calculate the area of the triangular base. Therefore, the formula is:Ī(lateral) = a * h b * h c * h = h * (a b c) For this shape, the lateral surface area is quite easy to calculate as it’s made up of 3 rectangles which have one length of the side in common. When simplified is A = 2 * (A1 A2 A3) How to find the surface area of a triangular prism?īefore we go to the formula for the surface area of a triangular prism, you must first understand where it’s derived. To find the surface area of a rectangular prism, first perform the calculations to find the areas of the rectangular sides: You can use it to find the surface area of the most common shapes. This is why the surface area calculator is so useful. When you learn how to calculate surface area, this applies to different shapes. How to find the surface area of a rectangular prism? The calculator then generates for you the value of the Surface Area along with an illustration of the shape you have chosen.Then enter the value of the Length and choose the unit of measurement from the drop-down menu.First, choose the Shape from the drop-down menu.Here are the steps to follow for this online tool: Use it to check your answer or use it to perform the calculation for you. When you’re learning how to calculate surface area, this surface area calculator comes in handy. To calculate the area of a rectangle: enter the lengths of the sides of the rectangle select units of measurement - meter (m), centimeter (cm) or millimeter (mm) select in which units you want to get the area - square meters (m 2), square centimeters (cm 2) or square millimeters (mm 2).
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