PYTHAG
In pythag, which side MUST be labelled as c?
The longest side
The 3 trig ratios are?
sin, cos and tan
tan 23 = 6/x. What will the next line be?
x = 6/tan 23
When we do the inverse of squaring a number it is called what?
square root (be appropriate please)
If it takes 5 machines 5 minutes to make 5 items, how long would it take 100 machines to make 100 items?
5 minutes
If the two shorter sides in a right angled triangle are 3 and 5, What will the value of c2 be?
9 + 25. = 34.
The 3 sides we label in trig are?
opposite, hypotenuse and adjacent
I use the ___________ function when I have an _____________ angle
shift, unknown
the sample space shows all of the possible _____________ from an __________.
outcomes, event (simples).
In what year was the sydney olympics?
How do I get from b2 = 18 to
b = ___?
The square root of 18
The difference between pythag and trig is that trig deals with an ___________.
angle
The angle of depression or elevation is from a _____________ position
horizontal
sin θ = 8/12. What will the next line be?
θ = (shift sin) (8/12) open the door
Which is heavier: 1 kg of feathers or 1 kg of bricks? Explain your answer.
They weigh the same - both are 1 kg.
In any right-angled triangle the longest side is _________ the right-angle.
opposite
When rearranging in trig and x is on the top I need to what?
Times/multiply
I draw an _________ out from the angle towards the side I will label with what letter?
arrow, O.
Trig involves an angle and 2 _______. Pythag just involves _________.
sides, sides.
If you have a cube painted on all sides and then cut into 27 smaller equal cubes, how many small cubes will have paint on exactly one face?
6 cubes
Determine if the triangle with sides 9.6 cm, 18 cm and 20.4 cm is right-angled or not.
Yes.
A right angled triangle has three sides 5 cm. 12 cm and 13 cm. Determine sin (
theta)
0.9231
A parasailer is towed behind a jet boat. The towing cable is 40 m long and is attached to the boat at water level. The cable makes an angle of 40^o . How high is the parasailer above the water?
25.7 m above the water
Trigonometry is derived from which Greek word?
trigonometria meaning "triangle measuring"
What 5-letter word becomes shorter when you add two letters to it?
Short.....shorter