Answered

Discover answers to your questions with Westonci.ca, the leading Q&A platform that connects you with knowledgeable experts. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

Find the area of a regular octagon witha side length of 5 cm. Round to thenearest tenth.5 cm[? ] cm2

Find The Area Of A Regular Octagon Witha Side Length Of 5 Cm Round To Thenearest Tenth5 Cm Cm2 class=

Sagot :

The regular octagon can be divided into 8 congruent isosceles triangle

so

The area of the regular octagon is the same that the area of 8 congruent isosceles triangles

so

See one isosceles triangle in the figure below

Find out the height of the triangle

tan(67.5)=h/2.5

h=2.5*tan(67.5)

the area of the regular octagon is equal to

A=8*(1/2)*[5*2.5*tan(67.5)]

A=120.7 cm2

View image FathimaP285651
Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. Your questions are important to us at Westonci.ca. Visit again for expert answers and reliable information.