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- The area of a square is 100cm
^{2}. Find its perimeter.
- Find the height of a trapezium with the upper base 12cm, lower base 18cm, and area 150cm
^{2}.
- One side of a rhombus is 20cm. Can you find the area? explain.
- The base of an isosceles triangle measures 15cm and its area is 45cm
^{2}. Find its altitude.
- A circle has a radius of 4. Find its perimeter and area.
- A regular hexagon has a side of 10cm, a height of 10cm and a maximum width of 10cm. Find its area.
- A 25cm
^{2} square has been cut out from a 12cm by 15cm rectangle. Find the area and perimeter of this shape.