Question

11. How many diagonals can be drawn in a decagon? \frac{n(n-3)}{2} \frac{10(10-3)}{2} 35 diagonals 13. Find the apothem of the regular 12. A regular octagon has an apothem of 12.5 feet and an area of 517.8 ft². What is the hexagon. side length of the octagon? (DO NOT ROUND!) 14. Find the area of the regular heptagon. Round to the nearest hundredth. 15. Find the area of the regular hexagon. A = \frac{1}{2}s \cdot

          11. How many diagonals can be
drawn in a decagon? \frac{n(n-3)}{2}
\frac{10(10-3)}{2}
35 diagonals
13. Find the apothem of the regular
12. A regular octagon has an apothem of
12.5 feet and an area of 517.8 ft². What is the hexagon.
side length of the octagon? (DO NOT
ROUND!)
14. Find the area of the regular heptagon. Round to the
nearest hundredth.
15. Find the area of the regular hexagon.
A = \frac{1}{2}s \cdot

11. How many diagonals can be
drawn in a decagon? (n(n-3))/(2)
(10(10-3))/(2)
35 diagonals
13. Find the apothem of the regular
12. A regular octagon has an apothem of
12.5 feet and an area of 517.8 ft². What is the hexagon.
side length of the octagon? (DO NOT
ROUND!)
14. Find the area of the regular heptagon. Round to the
nearest hundredth.
15. Find the area of the regular hexagon.
A = (1)/(2)s ·

Added by Carl F.

Geometry A Common Core Curriculum

Ron Larson, Laurie Boswell 1st Edition

Instant Answer

Solved by Expert Patricia Taylor

Step 1

To find the apothem of the regular 71-gon, we can use the formula for the apothem of a regular polygon: apothem = side length / (2 * tan(180° / n)) where n is the number of sides of the polygon. Since we know the apothem of the regular octagon is 73, we can Show more…

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Can you answer 13, 14, and 15? 12. A regular octagon has an apothem of 73. Find the apothem of the regular 71. How many diagonals can be drawn in a decagon? 12.5 feet and an area of 517.8 ftÂ². What is the side length of the octagon? (DO NOT ROUND!) 16.3 25 diagonals. Find the area of the regular heptagon. Round to the nearest hundredth: 15. Find the area of the regular hexagon nearest hundredth: 7.5.