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Question
Here is a rectangle of an area of 20 square cm.
Draw one straight line in this rectangle to divide it into two equal rectangles. What is the area of each of the smaller rectangles?
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Solution
A line can be drawn as shown in this figure to divide the given rectangle into two equal rectangles.
Similarly, a horizontal line can also be drawn to divide the given rectangle into two equal rectangles.
Area of each smaller rectangle
= `1/2` × Area of the bigger rectangle
= `1/2 xx 20`
= 10 square cm
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