Pythagorean Theorem
Pythagorean Theorem
a2 + b2 = c2
Which side is across from the right angle?
Hypotenuse
What two things do we know about similar triangles.
What are congruent angles and proportional sides?
sin-1 ( 3/5 ) =
36.87 degrees
The distance formula.
What is d = sqrt((x2-x1)^2 + (y2-y1)^2)?
The name of the triangle with sides 3, 4, 5.
What is a right triangle?
What do I know about the legs of 45 - 45 - 90 triangles?
They are congruent
The scale factor between side lengths of 10 to 30
What is 3
cos-1(3/4) =
41.41
The relationships between the slopes of two parallel and two perpendicular lines.
What is the same slope and the negative reciprocal slope?
The name of the triangle with c2 > a2 + b2
What is an obtuse triangle?
In a 30 - 60 - 90 triangle, what is the relationship between the short leg and the hypotenuse?
Two Similar Triangles. One with sides 3, 4, 5 and the other has 6, 8 and .... what's the hypotenuse of the 2nd triangle?
10
If the hypotenuse is 10 and the angle is 30, find the opposite leg length
5
The sum of the exterior angles of any polygon.
The hypotenuse of the right triangle....with sides 5, 12.
What is 13
In a 45 - 45 - 90 triangle, if the legs are 5 what is the hypotenuse?
5 sqrt 2
What is 180?
If the adjacent leg is 7 and the angle is 40, find the hypotenuse.
9.14
The name of the function for opposite divided by adjacent sides in a right triangle.
What is tangent?
The name of the triangle with sides 7, 6, 6.
What is an acute triangle?
If the short leg of a 30 - 60 - 90 triangle is 4, find the long leg AND hypotenuse
long - 4 sqrt 3 and hyp of 8
Three rules to prove triangles are similar.
What is SAS similarity, AA similarity, and SSS similarity?
If the hypotenuse is 10, and the opposite is 8, find the angle.
53.13 degrees
The function for finding an angle in a right triangle when the opposite side and hypotenuse are known.
What is inverse sine?