Vocabulary
A four-sided polygon.
What is a quadrilateral?
A quadrilateral with opposite sides that are equal and length and 4 right angles.
What is a rectangle?
A triangle with one angle of 90 degrees.
What is a right triangle?
What is a decagon?
The intersection of two planes.
What is a line?
A closed 2D figure made of straight lines.
What is a polygon?
A quadrilateral with one pair of parallel sides.
What is a trapezoid?
A triangle with three equal sides.
What is an equilateral triangle?
The numerical value denoted by a prefix that comes from the Latin word "nonus".
What is nine?
The intersection of two lines.
What is a point?
Lines that always stay the same distance from each other and never meet.
What are parallel lines?
A parallelogram with four right angles.
What is a rectangle or a square?
A triangle with no equal sides.
What is a scalene triangle?
If you are a septuagenarian you are older than 69 but younger than ______.
What is 80?
The measure of the interior angles of a quadrilateral.
What is 360 degrees?
An angle measuring 90 degrees.
What is a right angle?
A rhombus with 4 right sides.
What is a square?
A triangle with two equal sides?
What is an isosceles triangle?
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle?
180-90-45=45
The volume of a cube with an edge length of 6 3/4 inches.
What is 20 1/4 square inches?
A nine-sided polygon.
What is a nonagon?
What is a square?
A square is a parallelogram, a rectangle, and a rhombus.
The sum of the interior angles of a triangle.
What is 180 degrees?
(of an object) having length and breadth but no depth.
What is two-dimensional?
The number of faces on a trapezoidal prism.
What is 6?