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Two rectangles have the same area and the same perimeter. Does this mean that they are congruent to each other?
Three problems about fitting congruent shapes together:
The figure shows nine identical rectangles fitted together to make a large rectangle whose area is 72 cm². Find the perimeter of each small rectangle.
ABCD is a rectangle in which diagonal AC bisects ∠A as well as ∠C. Show that: (i) ABCD is a square (ii) diagonal BD bisects ∠B as well as ∠D.
The volume of a cube is 64 cm3. Its total surface area is
How many cubes of edge 20 cm can be packed in a cubical box of edge 2 m?
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