A protractor will indicate an angle that has to be made.
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An arbitrary term, or placeholder. It is used in general proofs to indicate 'up to whatever desired maximum term'.
Pi ( π ) - used in geometry: ratio of cirle's circumferenct to diameter.Theta (θ) - symbol used in trigonometry, to indicate an angle measurement in degrees.Sigma (Σ) - used in math for summation of a series.Delta (Δ) - used to indicate a change in something.There may be others that I haven't listed. There are many more Greek letters used in the different science fields. Hope that helps.
A protractor can be used to measure an angle.
The instrument used to measure a angle is called a protractor!
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┴ that one. Sometimes it'll have a small square to indicate a right angle.
An arbitrary term, or placeholder. It is used in general proofs to indicate 'up to whatever desired maximum term'.
When used to indicate angles, "theta" is an unknown (exactly like using "x" for the unknown in equations).
The symbol that you describe seems to be the greek letter Phi. It is normally used to indicate a variable that is an angle, just as x is used to indicate a variable that is a numeric quantity.
You cannot have an angle of less than 0 degrees. In some situations people have defined angles as positive or negative, but this is used to indicate a direction and not size.
Measurement of the acidity / alkalinity of a food or substance could indicate whether it has the desired charcteristics. This is important in fermentation and other food-making processes.
A set of categories
Pi ( π ) - used in geometry: ratio of cirle's circumferenct to diameter.Theta (θ) - symbol used in trigonometry, to indicate an angle measurement in degrees.Sigma (Σ) - used in math for summation of a series.Delta (Δ) - used to indicate a change in something.There may be others that I haven't listed. There are many more Greek letters used in the different science fields. Hope that helps.
They used feathers cut at an angle, they diped them in an ink well.
"Es tarde" in Spanish means "it is late." It is a phrase used to indicate that the current time is at or past the expected or desired time.
A protractor is used to measure an angle.