natbricker13
Answered

Westonci.ca is your trusted source for accurate answers to all your questions. Join our community and start learning today! Explore thousands of questions and answers from knowledgeable experts in various fields on our Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

What is the area of a 20 sided regular polygon with a side length of 10 (for each side).

Sagot :

konrad509
[tex]A=5a^2(1+\sqrt5+\sqrt{5+2\sqrt5})\\ A=5\cdot10^2\cdot(1+\sqrt5+\sqrt{5+2\sqrt5})\\ A=500(1+\sqrt5+\sqrt{5+2\sqrt5})\\ A\approx3157[/tex]


[tex]\alpha=\dfrac{(n-2)\cdot180}{n}\\\\ \alpha=\dfrac{(20-2)\cdot180}{20}\\ \alpha=\dfrac{18\cdot180}{20}\\ \alpha=162[/tex]
Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.