The area of a hexagon with a given side of 20cm is 1039.2cm2
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The area of a hexagon with a given side of 20 is 1,039
(3x2 √3) / 2 Where x is the length of a side, given that the hexagon is a regular hexagon. However, if the hexagon is is not regular, you will have to find the area of the two trapeziums within the hexagon, find the area of them, and add them together.
To calculate the area of a regular hexagon, you can use the formula: Area = (3√3 × side length²)/2. Substituting the value of the side length given, the area of a hexagon with a side length of 10 is (3√3 × 10²)/2 = 150√3. Therefore, the area is approximately 259.81 square units.
It is not possible to answer a question given only the length of one side of a hexagon unless we are told it is a regular hexagon. I added a link that lets you calculate areas of regular polygons.
120cm (six sides x 20 = 6 x 20 = 120)