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: [[Angle]]s are measured in [[degree]]s (°).
: There are 360 [[degree]]s (360°) in a full [[circle]].
{| class="wikitable"
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|[[File:AngleAroundaPoint.png|center|300px]]
| style="height:20px; width:300px; text-align:center;" |The total [[angle]] around a point is 360°.
|}
: There are 90 [[degree]]s (90°) in a [[Right Angle|right angle]].
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|[[File:RightAngleDegrees.png|center|200px]]
|[[File:SquareRightAngles.png|center|300px]]
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| style="height:20px; width:300px; text-align:center;" |A [[diagram]] showing that a [[Right Angle|right angle]] is 90°.
| style="height:20px; width:300px; text-align:center;" |There are 4 [[Right Angle|right angles]] in a [[square]] or a [[rectangle]] so the total [[angle]]s inside added together makes 360°
|}
: An [[angle]] that is bigger than 90° is called [[obtuse]].
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|[[File:135degrees.png|center|300px]]
| style="height:20px; width:300px; text-align:center;" |This [[angle]] is bigger than 90° so it is [[obtuse]].
|}
: An [[angle]] that is smaller than 90° is called [[acute]].
{| class="wikitable"
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|[[File:45degrees.png|center|300px]]
| style="height:20px; width:300px; text-align:center;" |This [[angle]] is smaller than a 90° so it is [[acute]].
|}