# Surface Area of Rectangle

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A rectangle is a closed 2-dimensional geometric figure and it consists of 4 sides and 4 their respective angles. In a rectangle, the opposite sides are parallel to each other and they are also equal in measure. Each angle in a rectangle is equal to 90° and all the 4 angles are equal to each other. A rectangle has 2 dimensions because it has ‘length’ and ‘width’ as its measurements. Surface area of a rectangle is the area of the rectangle, and it is equal to the product of its length and its width.

Example 1: What is the area of a rectangle whose length is 10m and width is 8m?

Given: length of the rectangle, l = 10m

Width of the rectangle, w = 8m

In order to calculate the area of a rectangle, we can use its area formula.

Area of a rectangle, A = (length) * (width)

Applying the above formula, we get: Area of the rectangle, A = (10m)* (8m)

This gives: Area, A = 80m2

Therefore, area of the given rectangle is 80m2.

Example 2: What is the area of a rectangle whose length is 6m and width is 5m?

Given: length of the rectangle, l = 6m

Width of the rectangle, w = 5m

In order to calculate the area of a rectangle, we can use its area formula.

Area of a rectangle, A = (length) * (width)

Applying the above formula, we get: Area of the rectangle, A = (6m)* (5m)

This gives: Area, A = 30m2

Therefore, area of the given rectangle is 30m2.