![]() ![]() Length and Width of Rectangle - Geometry Calculator. More References and links Area, Perimeter and Diagonal of a Rectangle - Calculator. Therefore the minimum number of tiles needed is 563. The number of tiles must be an integer and also in tiling the room, one might have to cut tiles at some places and therefore more tiles may be needed. N = Total area of the room / area of one tile = 225,000 / 400 = 562.5 tiles The number N of tiles needed is given by dividing the total area of the room by the area of one tile We now convert the length L and width W of the room in centimeters and find its area A.Ī = 500 × 450 = 225,000 square centimeters We need to find the area A1 of one tile in square centimeters. What is the minimum number of tiles needed? Learn more about rectangle area with our area of a rectangle calculator. The area A of the rectangle is calculated as followsĪ = L × W = 1.2 × 1.1 = 1.32 square kilometers (or km 2)Ī rectangular room of length 5 meters and width 4.5 meters is to be tiled with square tiles of 20 cm per side. Why is it so Have a look at the picture: a parallelogram can be divided into a trapezoid and a right triangle and rearranged to the rectangle. We convert the length L and the width W in kilometers We first need to find the width W of the rectangle given its length L = 1200 meters. ![]() Find the area of this rectangle in square kilometers. The length of a rectangle is 1200 meters and its width is 100 meters shorter that its length. We first need to find length L of the rectangle given its width W = 20 meters. The width of a rectangle is 20 meters and its length is five fourths of its width. Since we need to find the area in square feet, we need to convert the length L and width W in feet.Ī = L × W = 30 × 25 = 750 square feet (or ft 2) Find the area of the rectangle in square feet. Since the length L and the width W have the same units, we apply the formula given above substituting L and W by their values as followsĪ = L × W = 35 × 20 = 700 square meters (or m 2)Ī rectangle field has a length of 360 inches and a width of 300 inches. How to Find the Area of a Rectangle? Examples with Solutionsįind the area of a rectangle of length 35 meters and width 20 meters. Where L and W are the length and width, respectively, of the of the rectangle. ![]() The area A of a rectangle is given by the formula The number π has application in calculating important statistical distributions like the normal distribution (gaussian distribution).How to Find the Area of a Rectangle? How to Find the Area of a Rectangle? The invention of the wheel-cart was one of the transforming events in early human history. cylinders, tubes, gears, and others are used by engineers for making clocks, bikes, cars, trains, ships, planes, and even rockets. Practical applicationĬircles are often used by architects for athletic tracks, recreational areas, buildings, and roundabouts. The circumference is therefore 2 x 3.14159 x 8 = 50.26 feet. For example, if the diameter is 16 feet, then the radius is 16 / 2 = 8 feet. If the diameter is given instead, first divide it by two, then repeat the above process. For example, the circumference of a circle with a radius of 4 inches is simply 2 x 3.14159 x 4 = 25.13 inches. If the radius is given, applying the formula is straightforward. One needs to know just the radius or the diameter of a circle in order to calculate its circumference. ![]() If by moving the measurement instrument slightly you get a bigger diameter size, then go with that.Įxample: find the circumference of a circle To make sure you are measuring the diameter correctly, it should be the biggest measurement you can get. How to calculate the circumference of a circle?Ĭalculation is easy once you have measured the circle's radius or diameter, using the formulas above or, if you prefer the easier way - using our circumference of a circle calculator above. The calculation result is in the unit in which you measured the circle radius or diameter. If you know the diameter, it is 2 times the radius, so just divide by two, to get the radius, or use this formula: π x diameter. In practical situations it is often easier to measure the diameter instead of the radius. It was originally defined as the ratio of a circle's circumference to its diameter (see second formula below on why) and appears in many formulas in mathematics, physics, and everyday life. The circumference of a circle is calculated using the formula: 2 x π x radius, where π is a mathematical constant, equal to about 3.14159. Example: find the circumference of a circle.How to calculate the circumference of a circle?. ![]()
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