The area of triangle ABE equals the sum of areas of triangles AEF and BEF. Each is half the area of their respective rectangles, making the total area of triangle ABE half of rectangle ABCD.
Class 6 Mathematics Ganita Prakash Perimeter and Area
Class 6 Mathematics Chapter 6 Perimeter and Area question answer
To find the area of triangle ABE, divide it into two smaller triangles, AEF and BEF. Each of these smaller triangles is half the area of their respective rectangles (AFED and BFEC). By adding these two areas, you get the total area of triangle ABE. Since these smaller triangles together represent half of the rectangle ABCD, the total area of triangle ABE equals half the area of rectangle ABCD. This calculation is verified using grid paper.
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