Geometry
Name___________________________________
Right Triangle Trigonometry - Finding Side Lengths
Date________________
Step One: On each diagram below, label each side according to the position of the reference
angle. Your options are: Opposite, Adjacent, Hypotenuse.
1)
2)
x
14
16°
12
52°
x
3)
4)
19
x
22°
x
13
69°
Step Two: Complete the same process as practiced in Step One. Then, highlight the two sides
that have information provided. Once completed, determine which Acronym you will utilize to
set up your equation. Your options are: "SOH", "CAH", and "TOA".
5)
6)
x
11
10
65°
64°
x
7)
8)
x
x
47°
59°
19
16
-1-
©K d2w0I1n8j fKiuQt]aM GS]oTfNtKwbacrkeS cLDLgCX.s K QAslHlj yrGiTgJhyt[ss FrVevsye`rrvbeddx.V j bMpaEdheP ZwPiatqhM ^IZnpfdixnGictNeO tGIeDohmoegtpr`yK.
Worksheet by Kuta Software LLC
Step Three: Complete the same processes as practiced in Steps One and Two. Then, set up your
equation to solve for the missing side length.
9)
10)
x
15
x
58°
20
49°
Step Four: Complete the same processes as practiced in Steps One, Two, and Three. After you
have set up your equation, find the measure of the indicated side to the nearest tenth. (Utilize
the examples in your notebook)
11)
12)
18
x
51°
21°
17
x
-2-
©I N2J0p1r8g \KTuytKaq gSRoEfztsw^aOrEeF \LgLUCf.v V KAClLld CrnirgfhLt_sC Orcems`errivwe]dJ.] f RMaaPd]e_ swxiptWhR pIZnRfTi`njintxey ZGgegoomjeltGrgyf.
Worksheet by Kuta Software LLC