Open Geogebra - draw a rectangle in the grid mode– Measure area of the
rectangle using area tool– It is calculated as 12 × 2 = 24– Give suitable colour
to the rectangle and make it attractive
⋆ Draw another rectangles in the same page with the easures 8×3, 4×6, 24×1.
It can be noted that all these have equal area.
⋆ Sides of a rectangle can be changed without changing the area
⋆ Also note that a diagonal divides the rectangle into two equal area triangles.
⋆ In rectangles of equal area length is proportional to the breadth
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