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What item is about a foot long?
A five dollar "foot long sub" and a ruler
What is the area of 56 square feet?
56 square feet is the area of 56 square feet a square foot is unit used to measure area. For example something could be 5 feet long, but it couldn't be 56 square feet long. A foot is a measurement of length, and a square foot is a measurement of area.
Why is a ruler either 30 or 15 cm?
The old Imperial ruler was one foot long. To enable pupils to carry one in their "pencil box", a version that was half as long was introduced. 1 foot = 30.48 cm so rulers are graduated to 30 cm or half that length (= 15 cm).
How many feet long is the line if Emma has 2 yardsticks and a 12-inch ruler that she laid end to end in a line?
Each yardstick measures 3 feet. Two yardsticks is 6 feet. One 12-inch ruler is one foot. Laid end to end, this makes 7 feet.
What is an object that is 2 feet long?
Well, honey, a standard ruler is typically 12 inches long, which is equivalent to 1 foot. So, an object that is 2 feet long would be something like a yardstick or a baseball bat. Just make sure you don't go around swinging that thing indoors, unless you're looking to redecorate with some broken vases.
