To find the area of a rectangle multiply its height by its width. For a square you only need to find the length of one of the sides (as each side is the same length) and then multiply this by itself to find the area.
Just so, how do you calculate the area of a composite shape?
A composite figure is made up of several simple geometric figures such as triangles, rectangles, squares, circles, and semicircles. To find the area of a composite figure, separate the figure into simpler shapes whose area can be found. Then add the areas together.
How do you find the perimeter of a compound shape?
Work out the missing lengths you need around the edge. Work out the area of each separate rectangle. (Remember that this is done by multiplying the length by the width.) Add these separate areas for each rectangle up together to find the total area of the compound shape.
What is the area of a shape?
Next, calculate the area of both rectangles and add them together. The area of the first rectangle is 72 square centimeters and the area of the second rectangle is 50 square centimeters. Together there are 72 + 50 = 122 square centimeters. Therefore, the area of the entire figure is 122 square centimeters.
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