TRIGONOMETRY
What is the acronym for the trig ratios?
SOH-CAH-TOA
What do (h, k) and r represent in a circle?
the center of the circle
the radius of the circle
What are the 2 types of special right triangles?
45-45-90 and 30-60-90
What are 2 angles that add up to 180 degrees called?
Supplementary Angles
Who earns the most word fouls each day?
Sundus
We still love you!!! :)
Who was most instrumental in the class winning the novel contest?
Dorian
Who was quarantined not long after Mrs. V arrived?
:(
Luis
What is the trig ratio for sine (sin)?
sin = opposite/hypotenuse
What is the equation for a circle?
(x - h)2 + (y - k)2 = r2
If the leg of a 45-45-90 triangle is L, then what is the hypotenuse?
L sq rt 2
What are the 5 types of angles and their measurements?
Acute - less than 90 degrees
Right - exactly 90 degrees
Obtuse - between 90 and 180 degrees
Straight - exactly 180 degrees
Reflexive - exactly 270 degrees
Who never wears his/her mask properly?
Yariel
Are you finished drinking yet?
Who watches videos/cell phone every morning?
Jhaden
Who is Mrs. V's real favorite student????
Davidson
What is the trig ratio for cosine (cos)?
cos = adjacent/hypotenuse
(x - 4)2 + (y + 6)2 = 36
In similar triangles, the angles are congruent. What are the sides of similar triangles?
proportional
What is the sum of the interior angles of a triangle?
180 degrees
Who's favorite donut is Maple Frosted?
Samantha ;)
Who shares his name with the NBA's Black Mamba?
Kobe'
Who shared a table with Marco during the FSA Reading Test?
Elsa
What is the trig ratio for tangent (tan)?
tan = opposite/adjacent
If you were only given two endpoints on a circle, how would you derive the equation of the circle?
Use the midpoint formula to find the center.
Use the distance formula to find the radius.
Write the equation for the circle.
What theorem do you use to calculate the length of the hypotenuse when you know the lengths of the legs?
The Pythagorean Theorem
a2 + b2 = c2
Alternate interior angles are supplementary.
TRUE or FALSE
FALSE. They are congruent.
Who is the William Tell of the class?
Karla...bullseye :)
Who shares a name with a popular children's water game?
Hint: likes to write word fouls on the board (even during instruction)
Marco
Who entertains and drives Mrs. V crazy the most???
Gio
If you know the sin, cos or tan ratio of an angle, you can use the ____________ of the ratio to find the measure of the angle.
inverse
sin-1
cos-1
tan-1
What is the GENERAL FORM equation of a circle?
How do you convert it to the standard form equation of a circle?
Ax2 + By2 + Cx + Dy + E = 0
Completing the square
In a 30-60-90 triangle, what are the lengths of each side?
shorter leg = L
hypotenuse = 2L
longer leg = L sq rt 3
If a triangle is classified as an isosceles, right triangle, what does that mean?
The triangle has a right angle, 2 acute angles, and 2 equal sides.
Who is the first student Mrs. Volker met on her first day at DJA?
Daniel...it was like I had known him all year! :)
Who shares a name with a famous song by ABBA, a popular musical and 2 movies starring Cher and Meryl Streep?
(Mamma) Mia
(One of Mrs. Volker's favorite movies ;)
Who, even though I nominated for Student of the Month, moved his/her chair to a galaxy very, very far away from Mrs. V???
Steven