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SOLVING w/Arc Length and Sector Area
Contributed by: Wojcik
(Original author: Crouch)
In this assignment, some of the questions will require you to solve for the radius or the arc measure. You will need to do the following:
1) Identify what is given and asked for.2) Write the correct formula based on what was given     and asked for.3) Substitute (plug in) the given information where it goes     in the formula.4) Solve for the unknown variable.

Write Down These Steps!
Find the area of the sector shaded, rounded to the 
nearest hundredths.
Area =
cm2
Find the measure of the angle, θ, subtended by 
the shaded sector for the given radius and arc length.
 Round to the nearest hundredth.
θ
θ
=
degrees
What is the length of the arc AB bordering the shaded sector.Round to the nearest hundredth.
A
B
AB =
cm
Find the measure of the angle, θ, subtended by 
the shaded sector for the given radius and arc length.
 Round to the nearest hundredth.
θ
θ
=
degrees
Find the radius of the circle with the given information
Radius = 
cm
Find the area of the sector shaded, rounded to the 
nearest hundredths.
Area =
cm2
Find the measure of the angle, θ, subtended by 
the shaded sector for the given radius and arc length.
 Round to the nearest hundredth.
θ
θ
=
degrees
Find the circumference of the circle with the given information
Circumference = 
cm
What is the length of the arc AB bordering the shaded sector?       Round to the nearest hundredth.
A
B
AB =
cm
Find the measure of the angle, θ, subtended by 
the shaded sector for the given radius and arc length.
 Round to the nearest hundredth.
θ
=
degrees
         Find the radius of the circle with the given data.
                                Round to the nearest hundredth.
Radius = 
cm
Find the area of the circle for the given data.
Round to the nearest whole cm2
Area = 
cm2
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