Crestview High School Uses of Trigonometry Functions on Ratios Questions

Use trigonometry (SOH CAH TOA) to write each ratio.
B
13. tanA=
29
21
14. cos A =
А
20
с
B
15. sin B =
17
8
16. cos B =
A
15
Use trigonometry to find the value of the variable. If the variable is a side of a triangle, round to the
nearest tenth. If the variable is a degree, round to the whole degree.
X
13
A
7
64
30
17.
18.
X =
X =
40°
13
2
20
X
12
19.
20.
X =
X=
Geometry Chapter 9 test
Name
Use Pythagorean Theorem to find the value of the variable.
х
12
14
X
ם
16
1.
2.
13
X =
X =
61
12
11
X
3.
4.
9
X =
X =
Using the converse of the Pythagorean Theorem to determine if the triangles are acute, obtuse or
right.
5. 9, 40, 41
6. 10, 16, 20
7. 12, 15, 18
8. 5, 12, 13
Use special right triangles to find the values of the variables.
60
30
20
X
30
45
y
y
9. x =
11. X =
10. y =
12. Y =