MATHS Angle Final
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Transcript of MATHS Angle Final
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ANSWER THESE QUESTION:What this figure represents?
When two lines are joined in inclined manner what is formed?
How many types of angles are there?
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Types of Angles
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AnglesA shape formed by two rays sharing a common endpoint; contains two rays and a vertexrayhas one endpoint and goes infinitely in one directionvertexpoint common to two rays of a triangle or two sides of a polygon
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Types of AnglesAcute angle: An angle whose measure is greater than zero degrees and less than 90 degrees
Which angles are not acute?
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Types of AnglesRight angle: Angle that measures 90 degrees
Which angle is a right angle?
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Types of AnglesObtuse angle: One angle measures greater than 90 degrees and less than 180 degrees
Which angle is an obtuse angle?
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Straight AngleStraight angle: A line that goes infinitely in both directions and measures 180 degrees
Which is not a straight angle?
12This is a ray. It only goes in one direction.
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Interior AnglesInterior angles: An interior angle (or internal angle) is an angle formed by two sides of a simple polygon that share an endpoint
Interior angles of a triangle always equal 180 degrees.
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Measuring AnglesYou measure angles with a protractor.Notice there are two scales. Be careful which 0 you start at.900
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