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Surface area of a Cone
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Pythagorean Theorem
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Area of a sector
A
circle sector
is a part of a circle bounded by two radii and their intercepted arc.
Area of a sector
Find the shaded area.
Area =
r=10m
x=360º-300º=60º
Area =
=
=
m
^{2}
Find the area of the sector of a circle which angle is 210degrees and its radius is 4
Take
Area=