Shape Shifters
A four-sided polygon with opposite sides parallel and equal in length.
What is a parallelogram?
Two lines in the same plane that never intersect.
What are parallel lines?
An angle that measures exactly 180 degrees.
What is a straight angle?
The formula used to find the area of a rectangle.
What is length times width? (A = lw)
The triangle congruency postulate abbreviated as SAS.
What is Side-Angle-Side?
A triangle with three sides of completely different lengths
What is a scalene triangle?
Two lines that intersect at a perfect 90-degree angle.
What are perpendicular lines?
Two angles whose measures add up to exactly 90 degrees.
What are complementary angles?
The geometric theorem stated as (a^2 + b^2 = c^2).
What is the Pythagorean Theorem?
This formula is used to find the exact middle point between two coordinate pairs.
What is the midpoint formula?
A three-dimensional solid with two parallel, congruent circular bases.
What is a cylinder?
A line that cuts a line segment exactly in half at a right angle.
What is a perpendicular bisector?
The pairs of opposite angles formed by two intersecting lines.
What are vertical angles?
The formula used to find the circumference of a circle using its radius.
What is \(2 \cdot \pi \cdot r\)? (\(C = 2\pi r\))
The geometric statement that is accepted as true without any proof.
What is a postulate (or axiom)?
A quadrilateral with exactly one pair of parallel sides.
What is a trapezoid?
A line that intersects two or more other lines at different points.
What is a transversal?
Two angles that share a common vertex and side, but do not overlap.
What are adjacent angles?
The formula used to find the area of a triangle.
What is half of the base times the height?
The formula \(\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\) is used to find this.
What is the distance between two points?
The specific name for a 10-sided polygon.
What is a decagon?
A straight line that touches a circle at exactly one single point.
What is a tangent line?
The angle formed between any side of a polygon and a line extended from the next side.
What is an exterior angle?
The mathematical formula used to calculate the volume of a sphere.
The five-letter acronym stating that if two triangles are congruent, then their corresponding parts are also equal.
What is CPCTC?