Pre-Calculus, 9th edition
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|---|
39
| PAGE: 539 | SET: Exercises | PROBLEM: 39 |
Please look in your text book for this problem Statement
Radius of the circle is 
with center 
.
Redraw the figure as shown.
Area of the shaded region is sum of the areas of the triangle and sector.
Area of SAS triangles:
Two sides of the triangle are 
and angle is 
.
Area of the triangle 
.
Substitute corresponding values in the formula.
.
Find the area of the sector.
Area of the sector with central angle 
and radius 
is 
.
Therefore, 
.
.
.
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