To get more understanding let’s solve a few examples Sample Problems on Area of Isosceles Trapezium The area of the Isosceles Trapezoid can be calculated by adding the lengths of two parallel sides (bases) and dividing this by 2 and multiplying the result with the height of the trapezium to get the area. Question 1: What is the area of isosceles trapezium if the length of parallel sides are 7cm, 5cm and height is 4cm. Length of parallel sides (a) = 7cm, b = 5cmĪrea of given isosceles trapezoid is 24cm 2. So from given area, base lengths the height of an isosceles trapezium is 4.8cm Perimeter of Isosceles Trapezoid Length of parallel sides (a) = 6cm, b = 4cm Question 2: Find the height of isosceles trapezium if the length of parallel sides are 6cm, 4cm and area is 24cm 2. The perimeter of an isosceles trapezoid can be calculated by adding all sides of the trapezoid. Note: For isosceles trapezoid c = d (Unparallel side lengths are equal) Sample Problems on Perimeter of Isosceles Trapezoid Let’s look into a few examples to get more understanding. Question 1: What is the perimeter of an isosceles trapezoid if the length of sides are 7cm, 5cm, 3cm, 3cm. Length of un parallel sides (c) = 3cm, (d) = 3cm Length of parallel sides (a) = 7cm, (b) = 5cm So perimeter of given isosceles trapezium is 18cm. Length of un parallel sides (legs) (c) = 2cm, (d) = 2cm Length of parallel sides (bases) (a) = 8cm, (b) = 4cm Question 2: What is the perimeter of an isosceles trapezoid if the length of parallel sides are 8cm, 4cm and length of sides of equal lengths 2cm. So perimeter of given isosceles trapezium is 16cm. So for the given data, Area is 6.75cm 2 & perimeter is 14cm.The formula for the area of a trapezoid is (base 1 + base 2) / 2 x height, as seen in the figure below: Length of legs i.e., sides with equal lengths (c) = 2.5cm, (d) = 2.5cm Question 3: What is the area and perimeter of an isosceles trapezium with base lengths are 3cm, 6cm and the length of the other 2 sides which are equal in length is 2.5cm and height is 1.5cm. The calculation essentially relies on the fact a trapezoid's area can be equated to that of a rectangle: (base 1 + base 2) / 2 is actually the width of a rectangle with an equivalent area. In order to use our area of a trapezoid calculator, you need to take three measurements, all in the same units (convert as necessary). The result is always in the length unit used - but squared. So, if you measured in feet, the result will be in square feet. If you measured in centimeters, the result will be in square centimeters, and so on for square inches, yards, miles, as well as square meters, kilometers.
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