These quadrilaterals have 2 pairs of parallel sides.
Parallelograms, rectangles, rhombuses, and squares
Triangles that have all sides equal
equilateral triangles
Triangles that have three angles less than 90 degrees
A shape with 4 sides is a...
QUADRILATERAL
These quadrilaterals have ONLY 1 pair of parallel sides.
Trapezoids
Triangles that have no equal sides
scalene triangles
Triangles that have one angle greater than 90 degrees
obtuse triangles
What is a regular polygon?
A polygon with EQUAL SIDES
These quadrilaterals have sides that are the same size.
What are squares and rhombuses?
Find the measure of the third angle: 70 degrees, 45 degrees
What is 65 degrees?
Triangles that have two equal sides
isosceles triangles
Triangles that have one 90 degree angle
right triangle
8
Which words describe this shape:

Quadrilateral
Parallelogram
What are the 3 types of triangles by sides?
Scalene, Equilateral, Isosceles
What are the 3 types of triangles by angles?
acute, obtuse, right
Pentagon
What classification can we give to all quadrilaterals that have four right angles?
Rectangle
Give 2 names for this triangle.

Right
Scalene
A triangle has side lengths of 10 cm, 7 cm, and 5 cm. What type of triangle is this?
scalene
A right isosceles triangle is given. What are the two missing angles?
45 degrees
What shape has 6 sides?
Hexagon