Question

A collage in the shape of a regular octagon is mounted on a rectangular frame as shown below. What is the value of x?
40
30
25
45

Answer 1

45

Answer 2

how did you get that answer

Answer 3

The exterior angles of a regular octagon adds up to 360. divide 360 by the number of sides to get 45º. Since the rectangle doesn't make th eexterior angle any smaller, it's 45º

Answer 4

if octagon has the same sides in leght

Answer 5

oh okay thanks

Answer 6

np :)