Dilation
a measure for similar figures, who look the same but have different scales or measures Ex. if one side of a triangle is 4 and the corresponding side of a similar triangle is 8. 2 would be the _____ _____
what trig is Opp / Hyp
What is the term that describes the opposite side of the right angle
What is hypotenuse
When we have two parallel lines and a line that cuts through those parallel lines. What is the name of that line
What is a transversal line
Given: Quadrilateral ABCD is a trapezoid
Point F is the intersection of the diagonals of ABCD
PROVE: Triangle BFC is similar to Triangle DFA
∠b = ∠D Alt. Interior Angles
∠A = ∠C Alt. Interior Angles
triangles are congruent by aa similarity
If a triangle has a scale factor of 3 and the pre image side is 4. What would the side of image be?
what is 12
What is adj / Hyp
What is Cos
All the angles inside a triangle equal up to?
what is 180
When the transversal line cuts through the parallel lines, 3 types of angles are created. What are they?
What is same side interior, alternate interior, and corresponding angles
Find the measure of the angle the ladder makes with the ground to see if Oscar can safely climb he ladder in this position.
65 degrees
What are the three classifications of similar triangles
ex. congruent triangles would based on sss, asa, etc. What is it for similar triangles
what is sss, sas, aa sim
what is the say to remember the trig ratios?
soh cah toa
some other hippie caught another hippie tripping on acid
When we are solving for a side of a right triangle and we have two sides. What equation do we use?
a2+b2=c2
Ture or false: same side interior AND alternate interior are congruent angles
What is false
Find the distance across the ravine.
22 ft
a fixed point on a plane. It is the starting point from which we measure distances in a dilation
What is center of dilation
When we have an angle and the opposite side known and we are trying to solve for the missing adjacent side. What trig ratio would we use
What is tan
Solve for the missing side. Question will be on the board
√115 or 10.7
What kind of angles is angle 2 and 6
What is corresponding angles
Use the figure to select all of the proportions that correctly apply to triangle efg and the two right triangles created by the altitude.
x/m = g/e
n/x = x/m
e/m = m+n/e
When solving for an angle, and we have two sides. What kind of trig do we use?
Hint. We learned this yesterday
What is inverse trig or trig to the -1 power
If angle 1 is 60 degrees what would angle 7 be?
What is 120 degrees?
Given: Quadrilateral ABCD is a trapezoid
Point F is the intersection of the diagonals of ABCD
PROVE: Triangle BFC is similar to Triangle DFA
∠b = ∠D Alt. Interior Angles
∠A = ∠C Alt. Interior Angles
triangles are congruent by aa similarity