[DOC] [TLE] Degrees: Circles, Triangles, Rectangles, Squares - Math Forum [PAR] Triangles. A triangle is a closed figure that has three sides and three angles. The sum of the three angles of every triangle always equals 180 . A right triangle always has one angle equal to 90 and two angles whose sum is 90 , making a total of 180 . [DOC] [TLE] Cool math .com - The Properties of a Rectangle (perimeter, area ... [PAR] The sides and angles of a rectangle: rectangle. Opposite ... Remember that a 90 
degree angle is called a "right angle." So, a ... What's a Prime Number? 
Converting... [DOC] [TLE] Cool math .com - Polygons - Hexagons - properties, interior angles [PAR] ... all the angles is 720 degrees (from above)... And there are six angles... 
hexagons. So, the measure of the interior angle of a regular hexagon is 120 
degrees. [DOC] [TLE] The Math Dude : Why Does a Triangle Have 180 Degrees? :: Quick ... [PAR] May 21, 2016 ... How many degrees do the three angles of a triangle contain? ... And triangles 
also have a lot to do with rectangles, pentagons, hexagons, ... As we know, if we 
add up the interior and exterior angles of one corner of a ... using any triangle you 
fancy, and you'll always end up reaching the same conclusion. [DOC] [TLE] Rectangle - Wikipedia [PAR] In Euclidean plane geometry, a rectangle is a quadrilateral with four right angles. 
It can also be defined as an equiangular quadrilateral, since equiangular means 
that all of its angles are equal (360/4 = 90). It can also be defined as a 
parallelogram containing a right angle. ... A convex quadrilateral is a rectangle if 
and only if it is any one of the... [DOC] [TLE] Quadrilaterals - Developmental Math Topic Text [PAR] The sum of the interior angles of any quadrilateral is 360. ... The angle 
measurements of one triangle are shown for each. ... By definition, a rectangle is 
a parallelogram because its pairs of opposite sides are parallel. .... Find the 
measure of . [DOC] [TLE] Interior Angles of a Polygon - Free Math Help [PAR] Calculate the measure of interior angles of a polygon. ... shape with sides drawn 
by straight lines (no curves) which together form a closed area. ... is the same as 
the sum of all the angle measures of the rectangle (360). ... At each vertex of a 
polygon, an exterior angle may be formed by extending one side of the polygon 
so... [DOC] [TLE] Trigonometry/Angles of a triangle sum to 180 Degrees - Wikibooks ... [PAR] is a right angle, it means that the sum of the angles of any triangle is the same as 
two right angles. ... There is one angle of 90 and each of the two remaining 
angles is 45. .... What is the measure of each angle of an equilateral triangle? [DOC] [TLE] Interior Angles of Polygons - Math is Fun [PAR] Triangles. The Interior Angles of a Triangle add up to 180 ... Let's tilt a line by 10 
... It still works, because one angle went up by 10, but the other went down by 10
 ... Any Polygon, n, (n-2)  180, (n-2)  180 / n ... Interior Angles Exterior Angles 
Degrees (Angle) 2D Shapes Triangles Quadrilaterals Geometry Index. [DOC] [TLE] Interior angles of a parallelogram - Math Open Reference [PAR] In any polygon, the interior angles have certain properties. See Interior angles of 
a polygon. A parallelogram however has some additional properties. [DOC] [TLE] Decagon - math word definition - Math Open Reference [PAR] Interior angle, 144, Like any regular polygon, to find the interior angle we use 
the ... Number of diagonals, 35, The number of distinct diagonals possible from 
all vertices. ... Sum of interior angles, 1440, In general 180(n2) degrees . ... 
Perimeter of a triangle  Perimeter of a rectangle  Perimeter of a square  
Perimeter of a... [DOC] [TLE] Central Angle of a Polygon - Math Open Reference [PAR] Definition: The angle subtended

Question: The number of degrees in any one angle in a rectangle
Answer: 90