Polygons and Circles
Quantitative Reasoning · Flashcards
QUANTITATIVE REASONING · FLASHCARDS
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QUESTION
Find each exterior angle of a regular decagon.
QUESTION
Find the area of a sector when
r
=
10
r=10
r
=
10
and
θ
=
90
\theta=90
θ
=
90
degrees.
QUESTION
Find the number of diagonals in a nonagon.
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ANSWER
27
27
27
. For
n
=
9
n=9
n
=
9
, diagonals are
9
(
6
)
2
=
27
\frac{9(6)}{2}=27
2
9
(
6
)
=
27
in a nonagon.
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