Angles
An angle measuring between 0 and 90 degrees
What is an acute angle?
What is a center?
What is a square?
The type of figures that have the same size and shape (line segment, angle, etc.)
What are congruent figures?
What is a right triangle?
The common endpoint of two intersecting rays
What is a vertex?
A chord that passes through the center of a circle
What is the diameter?
What is a quadrilateral?
What is 180 degrees?
A device used to measure angles
The distance around a circle
What is the circumference?
A polygon with 6 sides
What is a hexagon?
The point of a line segment that divides it into congruent segments
What is the midpoint?
A triangle with three congruent sides
What is an equilateral triangle?
Two angles whose measures have a sum of 90 degrees
The distance around a plane figure; the sum of the length of its sides
What is the perimeter?
1,000 meters
What is a kilometer?
A triangle with at least two congruent sides
What is an isosceles triangle?
Two angles whose measures have a sum of 180 degrees
What are supplementary angles?
C = 2(pi)r
A parallelogram in which all sides are congruent and opposite angles are congruent
What is a rhombus?
One tenth of a centimeter
What is a millimeter?
A triangle with no two congruent sides
What is a scalene triangle?