module 6: similarity & right triangle trigonometry by nataly aviles https://padlet.com/avilesn0036/sadstudent made with tears in my eyes bc i want to drop out of school altogether; p- please help me mrs.silverwood en-us 2017-03-06 21:14:29 UTC 2023-06-11 23:40:26 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Brightnessdown.png a video that only makes me cry more avilesn0036 https://padlet.com/avilesn0036/sadstudent/wish/158551300 me: is genuinely confused about this & has given up]]> 2017-03-08 03:37:59 UTC https://padlet.com/avilesn0036/sadstudent/wish/158551300 if you're not already confused, you will be after this avilesn0036 https://padlet.com/avilesn0036/sadstudent/wish/158551311 Q: A hot air balloon is 100 feet straight above where it is planning to land. Sarah is driving to meet the balloon when it lands. If the angle of elevation to the balloon is 35°, how far away is Sarah from where the balloon will land?
A: tan (35) = 100 / d , d = 142.8 ft]]> 2017-03-08 03:38:02 UTC https://padlet.com/avilesn0036/sadstudent/wish/158551311 what I failed to learn :( avilesn0036 https://padlet.com/avilesn0036/sadstudent/wish/158551323 solving proportions: use cross multiplication
similarities: all equilateral triangles, regular figures, & squares will always be similar
right triangle altitude theorem #1: if an altitude is drawn to the hypotenuse of a right triangle, the length of the altitude is the geometric mean between the lengths of the two segments formed on the hypotenuse
right triangle altitude theorem #2: if an altitude is drawn to the hypotenuse of a right triangle, the length of each leg of the right triangle is the geometric mean between the length of the hypotenuse & the length of the hypotenuse adjacent to the leg
the uses of trigonometry: to get an angle with 1 sides /  1 angle & to get an angle with 2 sides
SOH! CAH! TOA! SAVED! MY! SAD! LIFE!
pythagorean theory: sin^2A + cos^2A = 1 , sin^2A = 1 - cos^2A (vs)]]> 2017-03-08 03:38:06 UTC https://padlet.com/avilesn0036/sadstudent/wish/158551323 a jumbled mess of numbers & letters avilesn0036 https://padlet.com/avilesn0036/sadstudent/wish/158551329 pythagorean theorem: a^2 + b^2 = c^2
midpoints: x1 + x2 / 2 , y1 + y2 = 2
right triangle altitude theorem #1: sqrt xy = h
right triangle altitude theorem #2: sqrt cy = b , sqrt cx = a
sin: opposite / hypotenuse
cos: adjacent / hypotenuse
tan: opposite / adjacent]]> 2017-03-08 03:38:09 UTC https://padlet.com/avilesn0036/sadstudent/wish/158551329 confusing words avilesn0036 https://padlet.com/avilesn0036/sadstudent/wish/158551330 similar figures: a figure where corresponding angles are congruent & all corresponding pairs of sides are proportional
transversal: cuts through 2 parallel lines
trigonometry: the study of a triangle & relates all similar triangles that only works with right angles
angle of elevation: the angle that appears when you look up from the horizon line
angle or depression: the angle that appears when you look down from the horizon line]]> 2017-03-08 03:38:10 UTC https://padlet.com/avilesn0036/sadstudent/wish/158551330 disclaimer* avilesn0036 https://padlet.com/avilesn0036/sadstudent/wish/158551664 I know I'm disgustingly annoying about how dramatic I am with my work but its the only way I can survive school; I swear on everything I'm okay; I'm okay(ish). I'm just a punk who doesn't know when to stop--love you mrs.silverwood <33333]]> 2017-03-08 03:41:13 UTC https://padlet.com/avilesn0036/sadstudent/wish/158551664