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Geometry vocabulary and formulas
Two or more angles whose sum is 90 degrees
The formula to find the area of a circle is
Geometry vocabulary and formulas
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1
The formula to find the area of a circle is
A = 1/2πr2
A = πr2
A = πd
A = 1/2d
2
Two or more angles whose sum is 90 degrees
vertical
adjacent
supplementary
complementary
3
How do you find volume?
Divide L/W
Multiply L x W
Add L+W+H
Multiply LxWxH
4
What is this formula used for:
A
= (
b
1
+
b
2
)
h
to find volume
to find the area of a triangle
to find the area of a trapezoid
to find the area of a parellelogram
5
An obtuse angle...
Measures 90 degrees
is the same as a right angle
Measures more than 90 degrees
measures less than 90 degrees
6
an angle that measure 117 degrees is
straight
acute
obtuse
right
7
An angle that measures 180 degrees is
a straight angle
an acute angle
an obtuse angle
a right angles
8
How many sides are there in a parallelogram?
3
2
5
4
9
Two angles of a triangle measure 55 d and 45 d. What is the measure of the third angle?
70 degrees
100 degrees
45 degrees
180 degrees
10
What is the formula used to find the area of a triangle?
A = L x W x H
A = L x W
A = 1/2(b x h)
A = 1/2(B + H)
11
The sum of the angles of a triangle equal
360 degres
90 degrees
180 degrees
45 degrees
12
An equilateral triangle has
no equal sides
three equal sides
4 equal sides
2 equal sides
13
How do you find the perimeter of a polygon?
add all the sides
Add two sides together
subtract the smaller side from the largest side.
multiply all the sides
14
angles that share a side and a vertex are
acute
right
vertical
adjacent
15
vertical angles are
Supplementary angles
angles that measure 180 degrees
angles that are next to each other and share a vertex
opposite angles formed by intersecting lines
