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## What is the measure of each acute angle of an isosceles right triangle?

Note that since the right triangle is isosceles, then the angles at the base are equal. (Theorem 3.) Therefore each of those acute angles is 45°. (For the definition of measuring angles by “degrees,” see Topic 12.)

Tape Measures

## What is the function of measuring tools?

Measuring is not only checking the length, width or thickness of an objects but also checking of the shape – things like the flatness, straightness, roundness or squareness. Measuring tools are also used for inspecting a finished or partly finished product. All measuring tools are precision tools.

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## What is the characteristics of measuring tools?

It includes the definition of each of the five most important characteristics of a measuring instrument: length of scale, sensitivity, accuracy, “finesse” and speed of response.

## What are the two characteristics of a good measurement?

Characteristics of good measuring instrument:

• RELIBILITY. RELIBILITY – is the consistency of your measurement, or the degree to which an instrument measures the same way each time it is used under the same condition with the same subjects.
• VALIDITY.
• PRACTICIBILITY.
• USABILITY.
• MEASUREABILITY.

## What are the qualities of a good measurement?

A good measuring instruments posses’ three qualities, which include: validity, reliability and usability. Validity – the extent to measure what it intends to measure.

## What are the qualities of good test?

What are the Qualities of a Good Test?

• Isolated (unaffected by the presence, absence, or results of other tests)
• Automated.
• Quick to write.
• Quick to run.
• Unique (providing confidence not provided by other tests/uncorrelated. with other tests)

2019-09-21