Podcast
Questions and Answers
The sum of the angles in a triangle is always greater than $180$ degrees.
The sum of the angles in a triangle is always greater than $180$ degrees.
False
If the lower bound of a measurement is $4$ and the upper bound is $6$, the actual measurement can only be $5$.
If the lower bound of a measurement is $4$ and the upper bound is $6$, the actual measurement can only be $5$.
False
A ratio compares two quantities and can be expressed as a fraction.
A ratio compares two quantities and can be expressed as a fraction.
True
An obtuse angle measures between $90$ degrees and $180$ degrees.
An obtuse angle measures between $90$ degrees and $180$ degrees.
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If two angles are complementary, their measures add up to $90$ degrees.
If two angles are complementary, their measures add up to $90$ degrees.
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The ______ angle measures less than 90 degrees.
The ______ angle measures less than 90 degrees.
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In a ratio of 2:3, for every ______ parts of one quantity, there are 3 parts of another quantity.
In a ratio of 2:3, for every ______ parts of one quantity, there are 3 parts of another quantity.
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If the lower bound of a measurement is 10 and the upper bound is 14, the actual measurement can be ______.
If the lower bound of a measurement is 10 and the upper bound is 14, the actual measurement can be ______.
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The sum of the interior angles of a ______ is always 180 degrees.
The sum of the interior angles of a ______ is always 180 degrees.
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If two angles are supplementary, their measures add up to ______ degrees.
If two angles are supplementary, their measures add up to ______ degrees.
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Study Notes
Angle Measurements
- The sum of the angles in a triangle is always 180 degrees.
- An obtuse angle measures between 90 degrees and 180 degrees.
- A right angle measures 90 degrees.
- An acute angle measures less than 90 degrees.
Complementary and Supplementary Angles
- If two angles are complementary, their measures add up to 90 degrees.
- If two angles are supplementary, their measures add up to 180 degrees.
Ratios
- A ratio compares two quantities and can be expressed as a fraction.
- In a ratio of 2:3, for every 2 parts of one quantity, there are 3 parts of another quantity.
Measurement Bounds
- If the lower bound of a measurement is 4 and the upper bound is 6, the actual measurement can be 5.
- If the lower bound of a measurement is 10 and the upper bound is 14, the actual measurement can be any value between 10 and 14, inclusive.
Triangles
- The sum of the interior angles of a triangle is always 180 degrees.
Triangle Properties
- The sum of the interior angles of a triangle is always 180 degrees.
Angle Types
- An obtuse angle measures between 90 degrees and 180 degrees.
- An acute angle measures less than 90 degrees.
Complementary and Supplementary Angles
- If two angles are complementary, their measures add up to 90 degrees.
- If two angles are supplementary, their measures add up to 180 degrees.
Ratios
- A ratio compares two quantities and can be expressed as a fraction.
- In a ratio of 2:3, for every 2 parts of one quantity, there are 3 parts of another quantity.
Measurement Bounds
- If the lower bound of a measurement is 4 and the upper bound is 6, the actual measurement can only be 5.
- If the lower bound of a measurement is 10 and the upper bound is 14, the actual measurement can be any number between 10 and 14.
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Description
Test your knowledge on fundamental geometry concepts such as the angles in a triangle, angle classification, ratios, and complementary angles. This quiz covers essential definitions and properties crucial for understanding geometry.
