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?
asked 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?

asked
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
answered
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 Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!