figures
vocabulary
angles
3-D figures
Formula
2-D figures
100
square
What is a figure with all congruent angles, and sides?
100
diameter
What is the distance across a cirlce through the center?
100
acute
What is a angle that measures less than 90 degrees?
100
prism
What is a polyhedron with two parallel faces, called bases, that are congruent polygons?
100
triangle
What is Area = ½ × b × h b = base h = vertical height
200
triangle
What is a angle with 3 sides?
200
radius
What is the distance from the center of a cirlce to a point on the cirlce?
200
obtuse
What is a angle that measures more than 90 degrees?
200
cube
What is a solid object with 6 sides of the same size?
200
rectangle
What is Area = w × h w = width h = height
300
circle
What is a figure with no angles or sides?
300
perimeter
What is sum of all sides on a figure?
300
right
What is a angle that measures 90 degrees?
300
cylinder
What is a solid tube with long straight sides and two equal sized circular ends?
300
trapezoid
What is Area = ½(a+b) × h h = vertical height
400
180 degrees
What is the measure of a semicirle?
400
ratio
What is a way to compare two quantities that are measured in the same units by using division?
400
straight
What is a angle that measures exactly 180 degrees?
400
octahedron
What is a solid shape that has six verticies, twelve edges, eight equivalent equilaterial triangular faces?
400
square
What is Area = a2 a = length of side
500
360 degrees
What is the measure of a circle?
500
ray
What is a portion of a line that begins with a single point and extend indefinitely in one direction?
500
reflex
What is a angle that measures more than 180 degrees?
500
hemi-sphere
What is half of a sphere?
500
sector
What is Area = ½r2θ r = radius θ = angle in radians
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