Calculate the length of the hypotenuse:
26
Calculate the length of the Hypotenuse (to 2 dp):
7.62
Expand 2(x + 3)
2x + 6
What acronym is used to remember the three trigonometry ratios?
SOHCAHTOA
When using Trigonometry, what do the letters O, A and H represent?
Opposite, Adjacent and Hypotenuse
Calculate x (to 2 dp):
23.24
Calculate x (to 2 dp):
19.24
2(x + 3)+ 2(x + 4)
4x + 14
When using Trigonometry, the side length across from the angle is called?
Opposite
cos(theta)=
A/H
What is the length of bd?
12
Abbie rides her bicycle 21 km west and then 18 km north. How far is she from her starting point? (to 2 dp)
27.66 km
Solve for a when 5a - 12 = 4a +3
a= 15
Using Trigonometry, calculate the Hypotenuse when the Adjacent side = 19 and the angle = 78?
c = 91.38
Using Trigonometry, calculate the Hypotenuse side when the Opposite = 8 and the angle = 56?
H = 9.65
Does a triangle with sides of 8cm, 10cm, and 13cm have a right angle?
No.
Because 82+102=164
and 132=169
A 17m piece of string is stretched from the top of a 15m flagpole to the ground. How far is the base of the flagpole from the end of the piece of string?
8m
(2a + 5) / 3 = 11
a = 14
A 75m zip line is attached to the top of a 50m building. If you are laying on the ground where the zip line reaches and are looking at your friend at the top of the building, what is the angle of elevation? (round to the nearest degree)
42o
Using Trigonometry, calculate the Adjacent when the Opposite side = 13 and the angle = 6?
PowerPoint Challenge Q1
12.1 + 18 + 11 + 13
=54.1cm
PowerPoint Challenge Q2
sqrt(152) or 12.3
The sum of three times a number and 2 less than 4 times that same number is 61. Write an equation and solve to determine the value of the unknown number.
x = 9
PowerPoint Challenge Q3
23.4 degrees
PowerPoint Challenge Q4
16.3 - 6 = 10.3