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How do you read a 5 inch ruler?
You look at the markings on its edge.
What is 0.15 inch on a ruler?
0.15 inches on a ruler is slightly more than 1/8 inch but less than 1/4 inch. Most standard rulers have markings for 1/16 inch increments, so you can estimate 0.15 inches as being just a bit past the 1/8 inch mark (which is 0.125 inches). It can be helpful to use a ruler with finer markings for more precise measurements.
What is the difference between a math straight edge and a math ruler?
A ruler has markings, a straight edge does not. In "straight edge and compass" constructions, you are not allowed to mark the straight edge. Things that are impossible using only a straight edge and compass are possible if markings are allowed (for example, it's possible to trisect an angle using a marked straight edge).
How many centimeters are there in a regular 12 inch ruler?
12 inches = 30.48 centimetres. However, the centimetre markings usually stop at 30 cm.
Where is the decimeter on a ruler?
A decimeter is a unit of length in the metric system, equivalent to one-tenth of a meter. On a standard ruler with centimeter and millimeter markings, the decimeter would typically be represented by the centimeter markings. Therefore, each decimeter would be equal to 10 centimeters on the ruler.
