Triangles
Total degree measurement of all triangles
What is 180 degrees?
The distance from the center of a circle to any point of the circle(half of the diameter).
What is a radius?
An angle measuring exactly 90 degrees.
What is a right angle?
What inclusive definition has the properties of a rectangle, rhombus, and a square.
What is a parallelogram?
Lines that intersect at right angles.
What are perpendicular lines?
A triangle with at least two congruent sides.
What is an isosceles triangle?
A chord whose distance across a circle is measured through its center.
What is the diameter?
Two angles whose sum is 180 degrees.
What are supplementary angles?
A shape that has all properties of a parallelogram, rectangle, and rhombus.
What is a square?
Two lines that lie in the same plane and do not intersect.
What are parallel lines?
A triangle with no congruent sides.
What is a scalene triangle?
An angle which has its vertex on the circumference of the circle.
What is an inscribed angle?
Two angles that share a vertex and a common side (they are next to each other.)
What are adjacent (consecutive) angles?
Which quadrilateral has diagonals that are bisecting and perpendicular?
What is a rhombus?
A ray that divides an angle into two congruent adjacent angles.
What is an angle bisector
A triangle whose sides are all congruent.
What is an equilateral triangle?
A line that intersects the circumference of the circle at two distinct points.
What is a secant?
A pair of angles which lie on opposite sides of the transversal on the exterior of a pair of lines.
What are alternate exterior angles?
A shape that has all the properties of a parallelogram, four right angles and congruent diagonals.
What is a rectangle?
The point that divides a segment into two equal portions.
What is a midpoint?
A triangle whose angles each measure less than 90 degrees.
What is an acute triangle?
The point where the tangent intersects with the circle.
What is the point of tangency?
Pairs of angles which lie on the same side of a transversal and are in the 'same position'.
What are corresponding angles?
A shape that has at least one pair of parallel sides, the median is parallel to the base and 1/2 the sum of the lengths of the base.
What is a trapezoid?
A segment that connects a vertex of the triangle and the midpoint of the opposite side.
What is median (bisector)?