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SOLUTION: There are 6 squares in each row and there are 3 rows. SOLVED EXAMPLES OF AREA OF RECTANGLE USING SQUARE METHOD So, the area of the rectangle is 15 square units. If the number of squares inside the rectangle is 15. The area of rectangle can be calculated by counting the total number of squares of dimension 1 x 1 square units that fit inside the rectangle.įor example: The dimensions of the rectangle are not given. Therefore, the length of the second rectangle is 12cm. So, area of first rectangle = area of second rectangle Given that, both the rectangles have the same area So, area of first rectangle = 6 x 8 = 48sq.cm SOLUTION: Given: The length of first rectangle = 6cm The breadth of the second rectangle is 4cm.
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The length and breadth of first rectangle is 6cm and 8cm. So, the total cost of carpeting the floor is Rs. Then, the total cost of carpet for 120sq.m = 550 x 120 The cost of the carpet is Rs.550 per square meter. To find the total cost of carpeting the room, we need to find the area. SOLUTION: Given: The length of the floor of a rectangular room = 15mīreadth of the floor of a rectangular room = 8m What will be the cost of carpeting the floor, if the cost of the carpet is Rs.550 per square meter? The floor of a room is rectangular in shape has 15m length and 8m breadth. Substitute the values of l and b as 3x and xĪnd length of a rectangle is 3x = 3(6) = 18cm. Perimeter of rectangle = 2 (length + breadth) SOLUTION: Given: Perimeter of rectangle is 46cm The length of a rectangle is 3 times its breadth. To calculate the area of a rectangle, the units of length and breadth should be same.
![area of rectangle formula area of rectangle formula](https://image3.slideserve.com/5380776/perimeter-of-a-rectangle-l.jpg)
SOLUTION: Given: Length of a rectangle = 2m Calculate the area of a rectangle whose length is 2m and breadth is 60cm. Thus, the perimeter of the rectangle is 30cm. We know that, Area of rectangle = length x breadth SOLUTION: Given: Area = 50sq.cm and breadth = 5cm Also, find the perimeter of the rectangle. Calculate the length of a rectangle whose breadth is 5cm and area of the rectangle is 50sq.cm. The area of rectangle is A = length (l) x breadth (b) SOLUTION: Given: Length ‘l’ = 6cm and Breadth ‘b’ = 8cm Calculate the area of rectangle whose length is 6cm and breadth is 8cm. SOLVED EXAMPLES USING AREA OF RECTANGLE FORMULA Therefore, the area of the rectangle = length x breadth Therefore, area of rectangle ABCD = 2(area of triangle ABC)Īnd, Area of triangle = ½ x base x height So, the area of both the triangles will be equal. The diagonal AC cut the rectangle into two congruent right – angled triangles which are triangle ABC and triangle ADC. Therefore, the area of the rectangle will be equal to twice the area of the right-angled triangle. The diagonals of the rectangle divide the rectangle into two equal right-angled triangles. Step 2: Multiply the values of length and breadth Step 1: Write the given dimensions of length and breadth The area of any rectangle can be calculated if its length and breadth are known.īelow are the steps to find the area of a rectangle The formula for the area of rectangle is equal to the product of its length and breadth. Let us take a rectangle ABCD which has four sides i.e., AB, BC, CD and DA NOTE : Squares of unit length mean that the length of each side of the square is one. The area of a rectangle can also be defined as the number of square units or squares of unit length that can fit inside the rectangle. The Sum of all four angles is 360 degrees.Īrea of a rectangle is the space occupied by a rectangle within four sides or boundaries of a rectangle.Each angle of the rectangle is 90 degrees.The diagonal of the rectangle divides it into two congruent triangles.Opposite sides of a rectangle are parallel to each other.Two adjacent sides are never equal in the case of rectangle. Opposite sides of the rectangle are equal.All angles of a rectangle are 90 degrees or all the angles of the rectangle are right angles.Įxamples of rectangles are: mobile phones, laptop screen, doors, walls, notebooks, etc.
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The space occupied within the boundary of a closed figure is called its area.Īrea can also be defined as the number of square units that can fit inside the polygon.Ī rectangle is a two-dimensional polygon with four sides and four angles with opposite sides are equal and parallel to each other.