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.

Question

TextArea of Rectangle and Square

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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:

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.

TextArea of Rectangle and Square

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?

A godown measures 40 m × 25 m × 10 m. The number of boxes of size 2 m × 1.25 m × 1 m that can be stored in it is