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Alg2: Projectile Trigonometry
Contribuição de: DiLaura
Use the given information to find the initial vertical velocity of the projectile.  Round your answer to the nearest tenth.
viy = 
32o
vix = 20 m/s
m/s
vi
viy
Use the given information to find the initial velocity of the projectile.  Round your answer to the nearest tenth.
vi = 
35o
vix = 12.5 m/s
m/s
vi
viy
Use the given information to find the initial horizontal velocity of the projectile.  Round your answer to the nearest tenth.
vix = 
26o
m/s
vi
vix 
viy = 18 m/s
Find the measure of θ in the triangle below. Round to the 
nearest tenth of a degree. 
θ = 
A
θ
degrees
30
25
C
B
16.58
A
Find the measure of θ in the triangle below. Round to the 
nearest tenth of a degree. 
θ
θ = 
25
24
degrees
C
B
Given the circle below and angle measures. Identify the
corresponding angle measures in radians. 
π
?
5π/4
?
⅔π
?
π/2
?
5π/3
?
¼π
?
?
5
6
Convert the following radian measures to degrees. 
38
12
π  radians = 
π  radians =
degrees
degrees
225o = 
-300o = 
Convert the following degree measures to radians. 
Leave your answer in terms of π.
π
π radians
radians
A projectile was launched from a catapult and landed 31 meters 
away after a flight time of 2.4 seconds.
Find the horizontal displacement of the projectile 
Find the horizontal velocity of the projectile to the nearest tenth.
Δx = 
meters
vix = 
m/s
The height of a projectile as a function of the time in flightwas found to be:  
    h(t) = -4.9t2 + 40t + 1
Use the quadratic formula to find how long (in seconds) it took the projectile to hit the ground (h = 0). 
time it took to hit the ground =
round to the nearest tenth
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