Vocab Flashcard 12-6

Front

What is a Concave Hexagon?

Back

A concave hexagon is a six-sided polygon where at least one interior angle is greater than 180 degrees, causing it to 'cave' inward.

Front

What is a Convex Hexagon?

Back

A convex hexagon is a six-sided polygon where all interior angles are less than 180 degrees, and no sides 'cave' inward.

Front

Define a Scalene Triangle.

Back

A scalene triangle is a triangle in which all three sides are of different lengths and all three angles are of different measures.

Front

What is an Isosceles Triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length and the angles opposite those sides are equal.

Front

Define an Equilateral Triangle.

Back

An equilateral triangle is a triangle in which all three sides are of equal length and all three angles are equal, each measuring 60 degrees.

Front

What is an Acute Triangle?

Back

An acute triangle is a triangle where all three interior angles are less than 90 degrees.

Front

Define an Obtuse Triangle.

Back

An obtuse triangle is a triangle that has one interior angle greater than 90 degrees.

Front

What is a Right Triangle?

Back

A right triangle is a triangle that has one interior angle equal to 90 degrees.

Front

What does Equiangular mean in relation to triangles?

Back

Equiangular refers to a triangle where all three angles are equal, which also makes it equilateral.

Front

What is a Vertex in geometry?

Back

A vertex is a point where two or more lines or edges meet. In triangles, it is where two sides meet.