Vocabulary
A 2 D shape with no straight lines
Circle
Polygons with 4 sides
Quadrilaterals
A parallelogram with four right angles and four sides of equal length.
Square
An angle whose measure is exactly 90 degrees
Right angle
To calculate area of a rectangle,
You multiply Length X Width
The distance around a figure, measured in linear units like inches, feet, or meters.
Perimeter
Another term for a three-dimensional figure
solid figure
A quadrilateral that has at least one pair of parallel sides
Trapezoid
An angle that measures less than 90 degrees.
Acute angle
Formula for Area of a triangle is
base X height divided by 2
Units of measure for angles. There are 360 in a circle.
degrees
Complementary Angles
two angles whose sum is 90 degrees
When 2 lines intersect, the opposite angles are equal/ congruent. They are called...
Vertical Angles.
Two angles that share a common side and vertex but do not overlap
Adjacent angles
To find the Volume of a 3D shape
You multiply Length X Width X Height
The distance across the circle through the center.
Diameter of a circle
Congruent means...
Having the same size and shape
A solid shape made up of 6 congruent squares
Cube
an angle whose measure is exactly 180 degrees
Straight angle
Area of a triangle with a base of 6 inches, and height of 4 inches
12 square inches
Composite shape or figure
is made up of 2 or more geometric/plane shapes
A triangle with two congruent (equal) sides and angles.
Isosceles
The sum of the areas of all the surfaces of a solid
Surface Area
Two angles whose measure is a sum of 180 degrees
Supplementary Angles
Volume of a rectangular prism with length of 5 cm, width of 4 cm and height of 2 cm
40 cubic cms