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4 Test Questions
14. The figure below is an example of what type of triangle?
t
u
A. Equilateral
B. Right
C. Isosceles
D. Scalene
v
15. If the sum of two angles in a triangle equals 100, what can be said about the third
angle?
A. It is 90 degrees.
B. It is acute.
C. It is obtuse.
D. It is equal to the square root of the sum of the two angles.
16. In the figure below, what is cosine of Angle X?
Y
z = 4
x = 9
X
y = 12
Z
A. Cos(X) = 0.33
B. Cos(X) = 0.82
C. Cos(X) = 34.6
D. Cannot be determined from the information given
17. In the figure below, what is the value of the length of side y?
Y
z
88.5°
x = 10
25.0°
X
y
A. y = 9.17
B. y = 10.9
C. y = 13.3
D. Cannot be determined from the information given
Z