WGU Math for Educators D128 || Verified for Accuracy.
Sum of a polygon correct answers (n-2)180
Right angle correct answers 90 degrees
acute angle correct answers less than 90 degrees
obtuse angle correct answers greater than 90 degrees and less than 180 degrees
reflex angle correct answers greater than 180 degrees
complementary angles correct answers Two angles whose sum is 90 degrees
supplementary angles correct answers Two angles whose sum is 180 degrees
interior angles of a polygon correct answers angles inside of a polygon
triangle correct answers A polygon with three sides whose interior angles equal 180.
isosceles triangle correct answers A triangle that has 2 equal sides.
equilateral triangle correct answers a triangle with 3 equal sides (60 degrees)
Triangle Inequality Theorem correct answers The sum of the lengths of any two sides of a
triangle must be greater than the length of the third side
scalene triangle correct answers no equal sides
, quadrilateral correct answers a four-sided polygon with interior angles adding to 360 degrees
Parallelogram correct answers A quadrilateral with two pairs of parallel sides
square correct answers A quadrilateral with 4 sides that are equal and has all 90 degree angles
rectangle correct answers a parallelogram with 4 right angles
Rhombus correct answers A parallelogram with four congruent sides.
Trapezoid correct answers A quadrilateral with exactly one pair of parallel sides
isosceles trapezoid correct answers a trapezoid whose nonparallel opposite sides are congruent
kite correct answers a quadrilateral with two pairs of adjacent sides congruent and no opposite
sides congruent
Hypotenuse correct answers the side of a right triangle opposite the right angle
legs of a right triangle correct answers the sides adjacent to the right angle
Pythagorean Theorem correct answers a²+b²=c²
acute angle on a right triangle correct answers 90 degrees
circle correct answers The set of all points in a plane that are the same distance from a given
point called the center
Sum of a polygon correct answers (n-2)180
Right angle correct answers 90 degrees
acute angle correct answers less than 90 degrees
obtuse angle correct answers greater than 90 degrees and less than 180 degrees
reflex angle correct answers greater than 180 degrees
complementary angles correct answers Two angles whose sum is 90 degrees
supplementary angles correct answers Two angles whose sum is 180 degrees
interior angles of a polygon correct answers angles inside of a polygon
triangle correct answers A polygon with three sides whose interior angles equal 180.
isosceles triangle correct answers A triangle that has 2 equal sides.
equilateral triangle correct answers a triangle with 3 equal sides (60 degrees)
Triangle Inequality Theorem correct answers The sum of the lengths of any two sides of a
triangle must be greater than the length of the third side
scalene triangle correct answers no equal sides
, quadrilateral correct answers a four-sided polygon with interior angles adding to 360 degrees
Parallelogram correct answers A quadrilateral with two pairs of parallel sides
square correct answers A quadrilateral with 4 sides that are equal and has all 90 degree angles
rectangle correct answers a parallelogram with 4 right angles
Rhombus correct answers A parallelogram with four congruent sides.
Trapezoid correct answers A quadrilateral with exactly one pair of parallel sides
isosceles trapezoid correct answers a trapezoid whose nonparallel opposite sides are congruent
kite correct answers a quadrilateral with two pairs of adjacent sides congruent and no opposite
sides congruent
Hypotenuse correct answers the side of a right triangle opposite the right angle
legs of a right triangle correct answers the sides adjacent to the right angle
Pythagorean Theorem correct answers a²+b²=c²
acute angle on a right triangle correct answers 90 degrees
circle correct answers The set of all points in a plane that are the same distance from a given
point called the center
