We know that \(\bigtriangleup\)ABD and \(\bigtriangleup\)ACD are congruent triangles. ![]() The formula to calculate the area of the rectangle is Area Length × Breadth. How good is each measurement We can use the fractional uncertainty, or. Area of Rectangle: A rectangle has two dimensions namely length and breadth. Now, let diagonal AD divide rectangle into two right triangles, i.e. I measure a rectangle with my ruler, and find L 10 +/- 1 cm and w 5 +/- 1 cm. Let us try to derive this formula of rectangle. Our rectangle calculator has the following formulas implemented: For the area of a rectangle: A a × b. Therefore, the area of the rectangle is equal to the sum of the area of these two triangles. Rectangle area formula length \times width. The diagonals of a rectangle divide it into 2 equivalent right angled triangles. We calculate the area of a rectangle by multiplying the length of its width (shorter side) and length (longer side). Why Area of Rectangle is Length into Breadth? There are two diagonals of equal lengths in a rectangle that can be calculated as: Also, using this approach, we find that the area of a rectangle is always the product of its two sides. Thus, the total area of the rectangle ABCD is 48 sq. It also explains how to calculate the area of composite shapes and composite figures using. The area of a rectangle ABCD is the total number of unit squares contained within it. This geometry video tutorial provides a basic introduction into calculating the area of a rectangle. ![]() How to Calculate Area of Rectangle Using its Diagonal?ĭiagonal of rectangle is the straight line connecting its opposite corners or vertices. Example 1: Divide the rectangle ABCD into unit squares, as shown. In this article we have explanied how to write a program to calculate area of triangle in c++ and Output for Area of a rectangle using C++ Programming. ![]() the product of its length and breadth in square units.Įxample: Calculate the area of rectangle if it is 9m wide and 4m high.Īrea of rectangle will be its length multiplied by its breadth Multiply length and breadth dimensions.Therefore, area of the rectangle 15 × 4 60 Therefore, the area of the rectangle 60 square units. Substitute 15 for l and 4 for w in this formula. Note the dimensions of length and breadth of the given rectangle. The formula to find the area of a rectangle is A l × w.To calculate the area of rectangle, you have to follow the steps below.
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