So, for example, you can calculate the perimeter of a pentagon, hexagon, or octagon. Perimeter of a Pentagon Calculator. Area of a Regular Polygon: If there are sides with length in a regular polygon and is the apothem, then or , where is the perimeter. Here are the formulas for various properties of pentagon: Pentagon area can be calculated by using the below formula: A=a24×(25+10×5)\text{A}=\dfrac{a^2}{4}\times\sqrt{\left(25+10\times \sqrt{5}\right)}A=4a2​×(25+10×5​)​, A refers to the area of the pentagon, and, p refers to the perimeter of the pentagon, and. To improve this 'Regular polygons inscribed to a circle Calculator', please fill in questionnaire. Below given a Perimeter of a Pentagon Calculator that calculates the perimeter of a five-sided pentagon given the value of a side. Find the perimeter of a pentagon circumscribed about the circle that has a radius of 1.5 units. Find the length of arc, if the perimeter of sector is 45 cm and radius is 10 cm. To find the number of sides this polygon has, the result is 360 / (180 − 126) = 6 2 ⁄ 3, which is not a whole number. A regular pentagon has side length 12cm.the perimeter of the pentagon is 60cm and the area is 247.7cm2 .a second. a regular pentagon is placed inside a circle with a radius of 5 inches. This calculator makes the complex geometrical calculation very easy by offering the solutions at one click. You can select the unit for the value from centimeter, meter, yard, feet, inches, and kilometer, etc. The perimeter can then be found by summing all sides or multiplying by. A geometrical shape with five unequal sizes of sides and unequal size of angles. Follow these steps to calculate area of pentagon: Let’s use an example to understand how to find the area of the pentagon. Select the value of pentagon which you already have. Your IP: 54.36.68.2 Calculate the area and perimeter of a regular pentagon shape. This calculator is very helpful for students who find geometry as a difficult topic. A regular pentagon is a polygon with five edges of equal length. Follow these steps to calculate the perimeter of pentagon: Let’s use the same example above to understand how to find the perimeter of the pentagon. So, if a pentagon has a side of  666 cm, its area will be 61.94cm261.94 cm^261.94cm2 approximately. Pentagon A polygon that has 5 equal sides and 5 vertices or corners is known as a regular pentagon. Pentagon is the five-sided geometrical shape. A=624×(25+10×5)\text{A}=\dfrac{6^2}{4}\times \sqrt{\left(25+10\times \sqrt{5}\right)}A=462​×(25+10×5​)​, A=364×(25+10×5)\text{A}=\dfrac{36}{4}\times \sqrt{\left(25+10\times \sqrt{5}\right)}A=436​×(25+10×5​)​, A=61.94cm2\text{A} = 61.94 cm^2A=61.94cm2. Area = ((side)² * N) / (4Tan(π / N)) = ((3)² * 4) / (4 * Tan(3.14 / 4)) Calculate the area of the pentagon. that will allow you to find the perimeter. Radius of circle given area. Let be the length of each side of the pentagon.. To solve this problem, we have drawn one perpendicular from the center to one side. You can find the length of the third side in one of two ways. If you plug this information into the area formula, you get the following: A = 1/2 (6)(25) If you like the simplicity of this calculator we invite you to try our other polygon calculators such as the regular pentagon calculator or even 3-D calculators such as the pyramid calculator , triangular prism calculator , or the rectangular prism calculator . Fill the calculator form and click on Calculate button to get result here. Find the perimeter of a pentagon circumscribed about the circle that has a radius of 1.5 units. Regular polygon area calculator also includes perimeter of a polygon calculator. Perimeter of pentagon can be calculated by using the above formula for pentagon perimeter. 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