# interior angle

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Related to interior angle: exterior angle
interior angle
Angles 3, 4, 5, and 6 are interior angles. Angles 3 and 6 are alternate interior angles, as are angles 4 and 5.

## interior angle

n.
1. Any of the four angles formed between two straight lines intersected by a third straight line.
2. An angle formed inside a polygon by two adjacent sides.

## interior angle

n
1. (Mathematics) an angle of a polygon contained between two adjacent sides
2. (Mathematics) any of the four angles made by a transversal that lie inside the region between the two intersected lines

## inte′rior an′gle

n.
1. an angle formed between parallel lines by a third line that intersects them.
2. an angle formed within a polygon by two adjacent sides.
interior angle
Angles 3, 4, 5, and 6 are interior angles.

## in·te·ri·or angle

(ĭn-tîr′ē-ər)
1. Any of the four angles formed inside two straight lines when these lines are intersected by a third straight line.
2. An angle formed by two adjacent sides of a polygon and included within the polygon. Compare exterior angle.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 interior angle - the angle inside two adjacent sides of a polygoninternal angleangle - the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radiansreentering angle, reentrant angle - an interior angle of a polygon that is greater than 180 degrees
References in periodicals archive ?
Another question also tackled geometry by asking students to compute the interior angle inside a circle superimposed over Kim's butt.
Thanks to the gravity-defying lean of the building, each room in the tower is different, as is each pane of faE*ade glass and every interior angle.
Initially, they defined it as a figure made with two half lines, but they were not satisfied with this definition because it was not clear whether the definition referred to interior angle or exterior angle (see Figure 2).
P]AOB is equal to the interior angle [angle]P of the spherical triangle [delta]APB, because the tangent plane of [S.
deflection angle interior angle chord 3-4-5 method tape-sine method sine cosine tangent clockwise counterclockwise azimuth bearing
Students determine the interior angle measurement in degrees for six polygons, without using a protractor but with access to Pentablocks (see fig.
If we simply draw the location of F on the flat pentagon before expansion and look at the triangle ABF, the interior angle at F will be 360 [degrees]/5 = 72 [degrees], while that at A or B is 324 [degrees]/6 = 54 [degrees].
The traverse is completed by moving the instrument to consecutive corners, zero-setting the instrument on the previous corner and turning the interior angle.
1] is bigger than the remote interior angle [angle]A[C.
What do the interior angles of a square add up to in degrees?
The interior angles follow the pattern (n--2)(180[degrees])/n, where n is the number of sides.
For example, regardless of the types of quadrilaterals, their interior angles always add to 360[degrees].

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