Sizu Home › Calculators › Area, Perimeter and Volume
Opens on Chapter 18’s example: an 8 ft by 5 ft rug.
Same perimeter, different areas
An L-shaped room: a big rectangle and a nook beside it
A box of cubes
Feet and inches
Enter the numbers from the worksheet, then press Show me.
From the book, Chapter 18. An 8 ft by 5 ft rug: 26 feet around the edge, 40 square feet inside. 24 feet of fence can make a 6 by 6 lawn (36 square feet) or a 10 by 2 one (20). The L-shaped room is 120 + 24 = 144 square feet; the box is 4 layers of 15 cubes, 60 in all.
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