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 triangle had an opposite length of 13m and an adjacent side of 12m, what is the angle to the nearest degree?
47 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