- Draw, construct and describe geometrical figures and describe the relationships between them.
- Solve real-life and mathematical problems involving angle measure, area, surface area, and volume.
Vocabulary Geometry
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acute angle |
angles less than 90 degrees |
adjacent angles |
angles that share a vertex and side |
area |
the space inside of a figure |
capacity |
amount inside a 3D figure |
central angle |
an angle within a circle in which the angle vertex is the center of the circle |
chord |
a segment within a circle in which the end points are on the circle |
circumference |
distance around a circle |
complementary angles |
multiple angle degrees equal to 90 degrees |
congruent |
exactly the same size and shape |
corresponding angles |
matching angles and different figures
|
cylinder |
a 3D figure with circular parellel and congruent bases |
diameter |
a chord the passes through the center of the circle |
dilation |
p |
2-D |
a figure with length and width |
3-D |
a figure with length, width, and height |
inscribed angle |
p |
nets |
p |
ordered pair |
2 numbers or coordinates used to locate a point on a grid |
parallelogram |
p |
perimeter |
the measure of the outside edge of a figure |
radius |
a segment within a circle in which one end is on the center and the other is on the circle |
rectangle |
4 sided figure in which the opposite sides are parallel and congruent |
reflection
|
flip over a line , mirror image
|
rotation
|
turn around a fixed point or axis
|
similar figures |
p |
supplementary |
2 angle degrees equal to 180 degrees
|
surface area |
finding the area (length X width) of every face of a figure
|
translation
|
slide, when every point of the figure is moved in the same direction and same distance from the orginal
|
triangle |
3 sided figure |
trapezoid |
4 sided figure with one pair of parallel sides |
vertical angles |
angles made by intersecting lines not sharing a side,
|
volume |
p |