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Geometry 11.1-11.3 Review of Formulas Flashcards | StudBud
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Geometry 11.1-11.3 Review of Formulas
Geometry 11.1-11.3 Review of Formulas
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Questions
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Answers
1
Which equation is for area of a sector?
A = \frac{1}{2}a\cdot ns
\cdot\frac{2Πrad}{360\degree}
A = \frac{1}{2}d_1d_2
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
2
Which equation is for area of a rhombus or kite?
A = \frac{1}{2}d_1d_2
A = \frac{1}{2}a\cdot ns
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
\cdot\frac{2Πrad}{360\degree}
3
What area do we calculate with the equation A=
πr
2
?
Area of a regular polygon
Area of a rhombus
Area of a circle
Area of a sector
4
What equation represents the circumference of a circle?
πr
2πr
2d
2πd
5
Radius is...
An arc measurement
Half the diameter
Side length of a square
Two times diameter
6
Which equation would you use to find area of the following shape?
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
A = \frac{1}{2}d_1d_2
A=Πr^2
A = \frac{1}{2}a\cdot ns
7
Which equation is for length of an arc?
l=\frac{n\degree}{360\degree}\cdot2Πr
A = \frac{1}{2}a\cdot ns
l_1=2l_2
l=\frac{A}{w}
8
Which equation would you use to find area of the following shape?
A = \frac{1}{2}a\cdot ns
A = \frac{1}{2}d_1d_2
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
A=Πr^2
9
Which equation would you use to find area of the following shape?
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
A = \frac{1}{2}d_1d_2
A=Πr^2
A = \frac{1}{2}a\cdot ns
10
Which equation is for area of a regular polygon?
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
A = \frac{1}{2}a\cdot ns
\cdot\frac{2Πrad}{360\degree}
A = \frac{1}{2}d_1d_2
11
Which equation would you use to find area of the following shape?
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
A = \frac{1}{2}a\cdot ns
A=Πr^2
A = \frac{1}{2}d_1d_2
12
The following equation converts from radians to degrees
False
True
13
This is the equation for length of an arc, what does "n" represent?
Measure of the arc in degrees
Number of circles you have
Value of insribing angle
Number of sides to the shape
14
Which equation would you use to find area of the following shape?
A = \frac{m\left(arcAB\right)}{360\degree}\cdotΠr^2
A = \frac{1}{2}d_1d_2
A=Πr^2
A = \frac{1}{2}a\cdot ns
15
Diameter is...
Two times radius
A weird sounding word
Half the radius
Measure of the lenght of a circle
