ok this past week i was sick 4 2 days and i need 2 finish this math test by today!!!! and i didn't get 2 learn anything like u know, not practive soo plz anwser these questions: 1.what is a concave polygon 2.what are concentric cicles? 3. what does this mean: a polygon that is CONGRENT to the one shown below there is a square below the words and srry about this but wut does perpendicular mean again? thank you!!!!!!!

Question

ok this past week i was sick 4 2 days and i need 2 finish this math test by today!!!! and i didn't get 2 learn anything like u know, not practive soo plz anwser these questions: 1.what is a concave polygon 2.what are concentric cicles? 3. what does this mean: a polygon that is CONGRENT to the one shown below there is a square below the words and srry about this but wut does perpendicular mean again? thank you!!!!!!!

Answer 1

In geometry, two lines or planes (or a line and a plane) are considered perpendicular

Answer 2

I'm sorry to hear that you were sick. I'll do my best to answer your questions and help you with your math test.

1. A concave polygon: A concave polygon is a polygon that has at least one interior angle greater than 180 degrees. In other words, it is a polygon with at least one "cave" or indent in the shape. To determine if a polygon is concave, you can draw diagonals from one vertex to another and check if they intersect outside of the polygon.

2. Concentric circles: Concentric circles are circles that share the same center point but have different radii. Essentially, they are circles that are nested inside each other like a target board. The term "concentric" means "having a common center."

3. "A polygon that is congruent to the one shown below": Congruent means that two figures have exactly the same shape and size. So, if a polygon is congruent to the square shown below the words, it means that the polygon has the same shape and size as the square.

4. "Perpendicular": Perpendicular is a term used to describe a relationship between two lines, line segments, or rays that meet at a right angle (90 degrees). If two lines are perpendicular, they form four right angles where they intersect.

To find the answers to these questions, you can use various resources such as textbooks, online math resources, or ask your teacher or classmates for assistance. It's important to understand the concepts and practice them on your own so that you can successfully complete your math test.

Answer 3

http://www.mathopenref.com/polygonconcave.html

http://www.mathopenref.com/concentric.html

http://www.mathopenref.com/congruentpolygons.html