Vocabulary
Angles
Parallelograms
Triangles / Other Figures
Circles
100
distance around a circle
circumference
100
between 0 and 90 degrees
acute
100
formula of the area of a parallelogram
a = base x height
100
formula of the area of a triangle?
a = 1/2 b x h
100
distance around a circle
circumference
200
3 sided figure
triangle
200
measures 90 degrees
right angle
200
find the area:  

b = 14 in

h = 6 in

84 in. squared
200
The triangle that has a 90 degree angle is a 
right angle
200
segment that connects the center of a circle to the circle
radius of a circle


300
four sided figure
parallelogram
300
measures between 90 and 180 degrees
obtuse
300
yes or no:

do all angles measure the same?

no
300
four sided figure with two lines that are parallel
trapezoid
300
segment that passes through the center of a circle and has both endpoints on the circle
diameter
400
angles with equal measures
congruent
400
measures 180 degrees
straight angle
400
Yes or no.  The areas of two parallelograms are equal.
Yes
400
base1 of trapezoid= 6 m       height = 3.6 m

base 2 of trapezoid = 9 m

Find the area


144 m squared
400
the ratio of a circle's circumference to its diameter
Pi
500
figure formed by two rays with a common endpoint
angle
500
share a vertex and a side
adjacent angle
500
What kind of angle is formed by perpendicular lines?
right
500
What is the formula of the area of a trapezoid
1/2 h (B1 + B2)
500
find the circumference of a circle with a diameter of 9m
28.3 m
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