Move It
What does this mean? (x-3, y-5)
translation 3 units left and 5 units down
A right angle is how many degrees?
90 degrees
The longest side of a right triangle.
What is the hypotenuse?
y = mx + b is called...
slope intercept form
This trigonometric ratio is equal to “opposite over adjacent” in a right triangle.
tan
What transformation is a "turn?"
rotation
Two angles add to 180. They are called...
Supplementary or linear pair
The names of the triangle similarity statements
AA, SAS, SSS
Parallel lines have the same...
slope
If a right triangle has an angle of 50∘ and an adjacent side of 12 cm, this is the measure of the hypotenuse
12.44 cm
A rigid motion that takes every point one quadrant away from the original and take the original coordinates (x,y)- (-y, x).
rotation of 90 degrees
Two angles add to 90. They are called...
Complementary angles
Can these three side lengths make a triangle: 3,3,6?
no
Perpendicular lines have...
slopes that are opposite reciprocals
To find the angle of elevation of a ramp that rises 2 ft over a run of 9 ft, you would use this inverse trigonometric function.
inverse tan
A rigid motion preserves...
Shape and size (angle measures and side lengths)
The hypotenuse of a triangle is always across from what type of angle?
Right angle
The sum of three angles of a triangle
180
When parallel lines are intersected by a transversal these angles are supplementary.
same side interior angles
In a right triangle, if sin(20∘)=x/8, this is the value of x rounded to the nearest tenth.
7.3
Transformations was unit number ....
3
The measure of every angle in an equilateral triangle is...
60 degrees
Use this to find the missing side of a right triangle when two side lengths are known.
Pythagorean Theorem
When parallel lines are intersected by a transversal, these angles are congruent
alternate interior, alternate exterior and corresponding angles
For a right triangle with a hypotenuse of 15 m and an adjacent side of 9 m, this inverse trig function will give you the measure of the included angle & the angle measure
inverse cosine & 53 degrees