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Year 7 Angles
Definitions and facts from the NSW Year 7 Angles Topic
Question | Answer |
---|---|
What are angles measured in? | degrees |
An instrument for measuring the size of an angle | protractor |
The corner or point of an angle. | vertex |
What type of angle has a measure between 0° and 90°? | acute |
What type of angle has a measure of 90°? | right |
What type of angle has a measure between 90° and 180°? | obtuse |
What type of angle has a measure of 180°? | straight |
What type of angle has a measure between 180° and 360°? | reflex |
What type of angle has a measure of 360°? | revolution |
When an angle is named using 3 letters the ________ letter must be the middle letter | vertex |
Two angles that add up to 90° | complementary angles |
Two angles that add up to 180 | supplementary angles |
Vertically opposite angles are _________ in size | equal |
What do angles at a point add up to? | 360° |
Lines that point is the same direction and do not intersect | parallel lines |
Lines that intersect at right angles | perpendicular lines |
A line that cuts across two or more other lines | transversal |