Math Exam 1

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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


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