Math Exam 1
straight angle
angle adding up to 180 degrees
acute angle
angle less than 90 degrees
obtuse angle
angle more than 90 degrees
supplementary angles
angles adding up to 180 degrees
complimentary angles
angles adding up to 90 degrees
Which of the following quadrilaterals never have the property that both pairs of opposite sides are congruent? Select all that apply.
exclusive trapezoid
equilateral
having all sides being congruent
regular
having angles and sides being all congruent
congruent lines
lines equal in measure
perpendicular lines
lines that meet at a 90 degree angle
parallel lines
lines that never touch
rhombus
quadrilateral with 4 congruent sides
square
quadrilateral with 4 congruent sides and 4 right angles
rectangle
quadrilateral with 4 right angles
trapezoid (inclusive)
quadrilateral with at least one pair of parallel sides
trapezoid (exclusive)
quadrilateral with only one pair of congruent sides
parallelogram
quadrilateral with opposite sides being parallel
kite
quadrilateral with with 2 sets of adjacent congruent sides
Which of the following quadrilaterals sometimes (but not always) have the property that all sides are congruent? Select all that apply.
rectangle, parallelogram, inclusive trapezoid, kite
Which of the following ALWAYS have the property that diagonals are congruent?
square and rectangle
Which of the following quadrilaterals diagonals are ALWAYS bisected by each other?
square, rectangle, rhombus, parallelogram, kite
Which of the following quadrilaterals has at least one diagonal is ALWAYS bisected by the other?
square, rectangle, rhombus, parallelogram, kite
Which of the following quadrilaterals diagonals ALWAYS are perpendicular?
Rhombus, square, kite
right angle
a 90 degree angle
bisector
a line or a divider that divides both sides into equal parts
diagonal
a line that connects two non-adjacent vertices of a polygon
equilateral triangle
a triangle with all sides being equal
isosceles triangle
a triangle with exactly two congruent sides
scalene triangle
a triangle with no congruent sides
obtuse triangle
a triangle with one obtuse angle
right triangle
a triangle with one right angle
acute triangle
a triangle with three acute angle