Register

A 2-inch-wide frame is to be built around the regular decagonal window. At what angles a and b should the corners of each piece be cut?

A 2-inch-wide frame is to be built around the regular decagonal window. At what angles a and b should the corners of each piece be cut?
229k views
4 votes
A 2-inch-wide frame is to be built around the regular decagonal window. At what angles a and b should the corners of each piece be cut?

User Jinhee
by
8.5k points

1 Answer

3 votes
External angles add up to 360
so each external angle = 360/10 = 36 degrees
internal angle = 180 - 36 = 144 degrees

answer is 144 degrees
User BST Kaal
by
8.7k points
← Prev Question Next Question →

Related questions

User Han
asked May 27, 2015 131k views
How many faces edges vertices does a decagonal prism have ?
Han asked May 27, 2015
by Han
8.5k points
2 answers
2 votes
131k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!