Question
Point A is on the inside of a maze that is a simple closed curve. A segment from point A to the outside of the maze must cross the border of the maze an ___EVEN____ number of times for point A to be inside the maze.
If a convex polyhedron has 6 vertices and 8 faces, then it has __12____ edges.
The number of points in a taxicab circle with radius 5 is ___20___.
Which of the following is the only degree measure that could not be the sum of the angle measures of a spherical triangle?
220°
300°
182°
544° <-----
If a convex polyhedron has 6 vertices and 8 faces, then it has __12____ edges.
The number of points in a taxicab circle with radius 5 is ___20___.
Which of the following is the only degree measure that could not be the sum of the angle measures of a spherical triangle?
220°
300°
182°
544° <-----
Answers
MathMate
All correct except the first.
A point from the inside of a simple figure will cross an odd number of times to connect to any point outside.
A point from the inside of a simple figure will cross an odd number of times to connect to any point outside.
Jazy
Thank you very much MathMate :)
MathMate
You're welcome!