These quadrilaterals have 2 pairs of parallel sides.
Parallelograms, rectangles, rhombuses, and squares
I have the ratio:
a:a:asqrt2
45-45-90 right Triangle
Triangles that have all sides equal
equilateral triangles
DOUBLE JEOPARDY!!!!
Triangles that have three angles less than 90 degrees
acute triangles
These quadrilaterals have 1 pair of parallel sides and 1 pair of non-parallel sides.
Trapezoids
I am a 30-60-90 right triangle.
What is my ratio?
a:asqrt2:2a
Triangles that have no equal sides
scalene triangles
Triangles that have one angle greater than 90 degrees
obtuse triangles
These quadrilaterals have 4 sides that are the same size.
What are squares and rhombuses?
DOUBLE JEOPARDY!!!!
Find the measure of the third angle: 70 degrees, 45 degrees
What is 65 degrees?
What is the Mnemonic to remember the three trig ratios?
SOH CAH TOA
Triangles that have two equal sides
isosceles triangles
Triangles that have one 90 degree angle
right triangle
What classification can we give to all quadrilaterals that have four right angles?
Square or Rectangle
What is the meaning of
cos(theta)=frac{4}{7}
The side near the angle is 4 units and the hypotenuse is 7 units
What are the 3 types of triangles by sides?
Scalene, Equilateral, Isosceles
What are the 3 types of triangles by angles?
acute, obtuse, right
A rhombus has two _____ angles and 2 _______ Angles.
Give 2 names for this triangle.

Right
Scalene
The ratio for the tan of the angle shown
frac{20}{21}
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