A triangle with NO congruent sides.
scalene
yes
An imaginary line where you could fold the image and have both sides match exactly.
line of symmetry
sphere
cone
60*
acute
yes
This has a point and extends endlessly in one direction.
ray
When lines are __________, they continue on forever, the same distance apart, never intersecting.
parallel
A polygon with 3 sides and 3 angles
triange
A quadrilateral with 1 pair of parallel sides. It has two acute angles and two obtuse angles.
trapezoid
30*
no pairs
2 pairs
1 pair
A triangle with two congruent sides.
isosceles
What is a polygon that has three sides and three angles?
triangle
yes
A part of a line that has two defined endpoints.
line segment
A triangle with 3 angles that are each less than 90 degrees.
acute
A triangle with one angle greater than 90 degrees.
obtuse
right
acute
obtuse
A quadrilateral with 4 equal sides.
rhombus
A triangle with three congruent sides.
equilateral triangle
no pairs
1 pair
2 pairs
The point where two lines, line segments, or rays meet is called an __________.
angle
When lines intersect and form a 90 degree angle, they are called __________.
perpendicular
What is a shape with AT LEAST three straight sides and angles?
polygon
A quadrilateral with 4 equal sides and 4 right angles
square
A triangle with one angle that is exactly 90 degrees.
right
2
A quadrilateral with 3 equal sides and 4 right angles
square
triangle
circle
rectangle
no
A quadrilateral with 2 pairs of parallel sides and 4 right angles. Opposite sides are congruent.
rectangle
right
acute
obtuse
acute
obtuse
right
A polygon with four sides and four angles
quadrilateral
A quadrilateral with 2 pairs of parallel sides. Opposite sides are congruent.
parallelogram
This is a straight path of points that go endlessly in both directions
line