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ABCDEFGHIJ is a regular decagon. Find the length of the apothem. Round the answer to the nearest tenth. A. 8.0 B. 20.5 C. 24.7 D. 26.0
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ABCDEFGHIJ is a regular decagon. Find the length of the apothem. Round the answer to the nearest tenth.

A.

8.0


B.
20.5

C.

24.7


D.

26.0

ABCDEFGHIJ is a regular decagon. Find the length of the apothem. Round the answer-example-1
User Gabriel Schreiber
by
7.3k points

2 Answers

3 votes
Solution:(α=∫nₓS)Use this formula to find apothem

∫n is the fixed number (1,539) and S the side of the polygon.

a = 16 × 1,539 = 24,624 = 247

Answer: C 24.7
ABCDEFGHIJ is a regular decagon. Find the length of the apothem. Round the answer-example-1
User Xcopy
by
8.0k points
1 vote
you find apothem with the formula
\left[a = fn*S]

fn is the fixed number (1,539) and S the side of the polygon.

a = 16*1,539 = 24,624 = 24,7

Answer C
User Coffeina
by
7.5k points
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