11. ANSWER: 11-4 Areas of Regular Polygons and Composite Figures
1. In the figure, regular heptagon ABDCEFG is
inscribed in P. Identify the center, a radius, an
apothem, and a central angle of the polygon. Then
find the measure of a central angle.
12. ANSWER: ANSWER: center: point P, radius:
angle: BPC, ≈ 51.4°
, apothem:
, central
13. ANSWER: 4. POOLS Kenton’s job is to cover the community pool
during fall and winter. Since the pool is in the shape
of an octagon, he needs to find the area in order to
have a custom cover made. If the pool has the
dimensions shown at the right, what is the area of the
pool?
Find the area of the shaded region formed by
each circle and regular polygon. Round to the
nearest tenth.
22. ANSWER: ANSWER: Find the area of each regular polygon. Round to
the nearest tenth.
Find the indicated measure. Round to the
nearest tenth.
44. The area of a circle is 95 square feet. Find the
radius.
ANSWER: 5.5 ft
11. ANSWER: 45. Find the area of a circle whose radius is 9
centimeters.
ANSWER: Find the area of each trapezoid, rhombus, or
kite.
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12. ANSWER: 48. 45. Find the area of a circle whose radius is 9
centimeters.
ANSWER: 11-4 Areas of Regular Polygons and Composite Figures
Find the area of each trapezoid, rhombus, or
kite.
48. ANSWER: 49. ANSWER: eSolutions Manual - Powered by Cognero
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