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Vocabulary
Vocabulary
8.1 and 8.2
8.3 and 8.5
8.6
100
This measures 90 degrees.
What is a right angle?
100
The sum of the measures of two angles is 180 degrees, the angles are this.
What is supplementary?
100
Find the measure of the supplement of an angle that measures 135 degrees.
45 degrees
100
What are three ways that you can show that triangles are congruent?
SSS, SAS, ASA
100
Write the equation you use to find the sum of the interior angles of a polygon.
(n-2)180
200
These angles have a common vertex and a common side.
What is an adjacent angle?
200
If the sum of the measures of two angles is 90 degrees, the angles are this.
What is complementary?
200
Find the measure of the complement of an angle that measures 63 degrees.
27 degrees.
200
#10 P.423
1.6cm
200
This is a polygon with all the sides congruent and all the angles congruent.
What is a regular polygon?
300
These angles are formed by two intersecting lines and are opposite each other and congruent.
What are vertical angles?
300
These lie on the same side of the transversal and in corresponding positions.
What are corresponding angles?
300
Example #4 from page 409
Angle 3= 58 degrees Angle 4= 90 degrees
300
#24 P.424
z= 59 degrees y= 72 degrees x= 8
300
Find the measure of each angle of a regular polygon with 13 sides. Round to the nearest whole number.
What is approximately 152 degrees (152.307...)
400
A line that intersects two other lines at different points is called this.
What is a transversal?
400
These are the names of the 5 quadrilaterals that we studied.
What is a parallelogram, a trapezoid, a rhombus, a rectangle, and a square?
400
#9-14 P.415
Angle 4= 58 degrees, Angle 2= 122 degrees, Angle 6= 122 degrees, Angle 7= 122 degrees, Angle 8= 58 degrees, Angle 5= 58 degrees
400
#11 and #12 P.432
Look at student work
400
Name the polygons from those with 3 sides to those with 12 sides.
triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, decagon, dodecagon
500
These lie within a pair of lines and on opposite sides of the transversal.
What are alternate interior angles?
500
These are the 6 kinds of triangles that we studied.
What are acute, obtuse, right, equilateral, isosceles, and scalene?
500
#29 P.417
Lines are not parallel because alternate interior angles are not congruent.
500
#25 P.424
x= 4, z= 60 degrees, y= 30 degrees
500
What do the prefixes trans- and poly- mean?
trans= across, poly= many