3 years ago

Find the area of an 11-gon with side length 5 inches.

Mathematics

1 answer:

Y_Kistochka [10]3 years ago

5 0

Answer:

234.141

Step-by-step explanation:

The formula is $\frac{11}{4} *(s)^2*cot(\frac{\pi }{11})$ . If you substitute 5 in, you get $\frac{275}{4} *cot(\pi /11)$ or 234.141

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