Area and Perimeter Worksheets Area and Perimeter Worksheets Area and Perimeter Worksheets are used to measure the objects total quantity and a path that encloses the area respectively or area is the number of square units that can fit inside the shape and perimeter is the length around a shape. Let’s take some shapes and determine the area and the perimeter for them:1. Area and perimeter for the triangle, triangle has three sides: -Area = 1 / 2 ( b * h ) A triangle that have base = 10 cm and a height = 3 cm Then area will be A = 1 / 2 ( b * h ) where b is base and h is height. A = 1 / 2 ( 10 * 3 ) A = 1 / 2 ( 30 ) A = 15 cm 2
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-Parameter = a + b + c where a, b and c are the three points of the triangle A triangle that have a = 5 cm, b = 7 cm, and c = 8 cm. P=a+b+c P=5+7+8 P = 20 cm 2. Area and perimeter for the rectangle, rectangle have four sides : -Area = l * w where l is length and w is width A rectangle that have length = 6 m and a width = 5 m Then area will be A = l * w A=6*5 A = 30 m 2 -Parameter = 2 ( l + w ) units where l is length and w is width of the rectangle. A rectangle that have length = 11 cm and width 15 cm. P=2(l+w) P = 2 ( 11 + 15 ) P = 2 ( 26 )
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P = 52 cm 3. Area and perimeter for the square, square also have four sides but all are same: -Area = a 2 where a is the side length. A rectangle that have side length = 6 m Then area will be A = a 2 A=62 A = 36 m 2 -Parameter = 4 * side length. A rectangle that have side length = 6 cm. P = 4 * side length P=4*6 P = 24 meters. 4. Perimeter for the polygon depend on the total sides available in polygon A polygon that has 5 sides is called pentagons. Then perimeter will be a + b + c + d + e A polygon that has 6 sides is called hexagons. Then perimeter will be a + b + c + d + e + f A polygon may contain much number of sides like 7, 8 etc.... The area for the polygon can be determined by the three ways.
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