In this triangle, what letter represent the hypotenuse?
C
When using Trigonometry, the Hypotenuse is labeled with what letter?
H
When using Trigonometry, the side length across from the angle is labeled with what letter?
in the linear equation
y=mx+c
what does m & c stand for?
How many Degrees in a Triangle?
180
When using Pythagoras Theorem, what is the formula that is used to calculate c (the longest side)?
c=√a2+b2
OR
a² + b² = c²
If you are given the Hypotenuse and Opposite, which Trigonometric Identity do you use to find the angle?
Sin
Equation: __________________________
y=3x+2
What is the equation of a straight line?
equation of a straight line:
y = mx + c
What is the Y intercept?
c = 1
Calculate the length of the Hypotenuse x
x = 26
Using Trigonometry, If a triangle had an angle of 44 and an adjacent of 45cm, what is the opposite side?
44.5cm
what is the linear equation for this line?
y=-2x-1
Find the gradient of the line through (2,5) and (6,13).
Rise = 8
Run = 4
8/4 = 2
The gradient is 2!
What is the remaining angle B?
B = 36.87
calculate side x to 1 decimal place
x = 23.2
Using trigonometry, if a right-angled triangle has an opposite length of 9 meters and an adjacent side of 14 meters, what is the angle to the nearest degree?
33 degrees
Using Trigonometry, calculate the Hypotenuse when the Adjacent side = 31 and the angle = 48?
to one decimal place!
H = 46.3
A taxi fare starts at $4 and increases by $3 per kilometre.
y=3x+4
Using Trigonometry, calculate the opposite side when the Hypotenuse = 18km and the angle = 47?
O = 13.2km
What is the length of bd?
12
What is the length of x?
large triangle (a) = 164
small triangle (a) = 78
164 - 78 = 86
Using Trigonometry, calculate the Hypotenuse when the Opposite side = 9 and the angle = 24 to 2 decimal places
H = 22.13
What is the solution?
(4,5)
What is the linear equation for the line perpendicular to this line, that passes through (0,3)
y=1/2x+3