3rd quarter geometry Flashcards
plane figure bounded by ______ line segments
four
derived from the Latin words _____ meaning ____, and ____ meaning ____
quadri, four, latus, side
_______ (a flat shape figure) and closed (its straight lines/sides join up)
two dimensional
They have
(sides of quadrilateral)
four sides (edges).
They have
(vertices or vertex of quadrilateral)
four vertices (corners)
They have
(diagonal/s of quadrilateral)
two diagonals
The interior angles add up to ____ deg.
360 deg
The mathematical symbol for a quadrilateral is _____
⬛️
a ____ is a quadrilateral in which both pairs of opposite sides are parallel
parallelogram
a ____ is a quadrilateral with no pair of opposite sides are parallel
trapezium
a ___ is a parallelogram that has four right angles
rectangle
a ____ is a rectangle with four equal sides
square
a ___ is a parallelogram with four equal sides and four oblique angles
rhombus
a ___ is a parallelogram with four oblique angles and two pairs of sides parallel
rhomboid
a trapezoid with one of its non parallel sides are perpendicular to its base is called ____
right trapezoid
a trapezoid with whose non parallel side are parallel is called ___
isosceles trapezoid
a trapezoid with whose non parallel sides unequal is called ____
scalene trapezoid
the part of the plane enclosed in the parallelogram is called ____
surface
the line segments which bound a parallelogram a called ____
sides
each part of the plane enclosed between two consecutive sides of the parallelogram
angle
each side of a parallelogram where it stands takes the hold of the ___
base
the point where two sides meet
vertex or vertices
the total measurement of the sides of a parallelogram
perimeter
the perpendicular distance between two opposite sides
altitude
the line segment which joins the opposite vertex of a parallelogram
diagonal
the part enclosed on a trapezoid
surface
the line segments that bounds a trapezoid
sides
the parallel sides of a trapezoid is called the bases the shorter one is ____ and the longer one is ___
minor base and major base
the two non parallel sides of a trapezoid
oblique sides
the point where two sides meet on a trapezoid
vertex
each part of the plane enclosed between two consecutive sides of a trapezoid
angle
the total measurement of the sides of a trapezoid
perimeter
the perpendicular line drawn between the parallel sides of a trapezoid
altitude
each line segments which joins the opposite vertices of a trapezoid
diagonal
To find the measurement of the missing angle of a quadrilateral, use:
x = 360 deg - (m<1 + m<2 + m<3 + m<4)
m = ____ and
x= _____
measure and missing angle
Perimeter is the _______ of a plane figure.
total measurement