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ARIOLA/BURGOS
ARIOLA/BURGOS
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Answers
1
It is a 3 -sided shape where one angle has a value of 90 degrees.
right trianle
circle
triangle
left triangle
2
What is the Formula of Pythagorean Theorem in this right triangle?
c+b=a
c2+b2=a2
c/2+b/2=a/2
c(2)+b(2)=a(2)
3
Which two angles are complementary?
20° and 160°
30° and 130°
45° and 145°
1° and 89°
4
The three characteristics of bearings are: EXCEPT?
It is written in 3-digit angles.
It used to express something about direction
It always measures clockwise
The basis of a bearing is at the north direction
5
How far is the partner from the base of the tower, to the
nearest tenth of a foot
?
53.6
53.3
53.4
53.5
6
What is the value of the side
x
in the right triangle below?
2
1
4
3
7
It can be described as the ratio of the length of the hypotenuse to the length of the opposite side in a triangle.
Cosine
Cosecant
Cotangent
Secant
8
What is the side opposite to right angle of a triangle, and the longest side of a right triangle.
hypothesis
opposite side
adjacent side
hypotenuse
9
The angle of __________ is always measured from the ground up. It is alway
inside
the triangle.
depression
cosine
tanjent
elevation
10
Which two angles are supplementary?
23° and 147°
41° and 139°
30° and 60°
45° and 145°
11
Convert an angle measuring π/9 radians to degrees.
25 degrees
15 degrees
20 degrees
10 degrees
12
What are the equations that are true for all
right-angled triangles?
Trigonemetric Equation
Triangle Identities
Trigonemetric Identities
Triangle Equation
13
It can be described as the ratio of the length of the adjacent side to the length of the hypotenuse in a triangle.
Secant
Cotangent
Cosine
Cosecant
14
What is the measure of angle A in the right triangle below?
27
33
17
37
15
What is the standard unit used to measure angles in mathematics?
degrees
radian
circumference
arc
16
The study of angles and of the angular relationships of planar and three-dimensional figures is known as?
Topology
Geometry
Trigonometry
Algebra
17
What is the relationship of
Tan
to the sides of right triangle?
Opposite / Adjacent
Hypotenuse / Adjacent
Opposite / Hypotenuse
Hypotenuse / Opposite
18
Except for the Sin, Cos, and Tan,what are the other 3 functions that used in trigonometry?
sic,cosec,cot
sec,cossec,cot
sec,cosec,cot
sec,cosec,co
19
Find the shadow cast by a 10 foot lamp post when the angle of elevation of the sun is 58º.
8.2
6.2
7.2
5.2
20
What is the relationship of
Sin
to the sides of right triangle?
Hypotenuse / Adjacent
Opposite/ Adjusent
Opposite / Hypotenuse
Hypotenuse / Opposite
21
Trigonometry came from the Greek word "trigōnon" and "metron" which means?
rectangle and meter
triangle and measure
triangle and meter
rectangle and measure
22
What are the equations that are true for all triangles (they don't have to have a right angle).
Trigonemetric Equation
Triangle Identities
Triangle Equation
Trigonemetric Identities
23
What is the relationship of
Cos
to the sides of right triangle?
Opposite / Adjacent
Adjacent / Opposite
Adjacent / Hypotenuse
Opposite / Hypotenuse
24
The angle of ___________ is always
OUTSIDE
the triangle. It is never inside the triangle.
cosine
elevation
tanjent
depression
25
The following are the three main functions in trigonometry EXCEPT.
Cosine
Tangent
Secant
Sine
26
This are angles used in navigation. They are based on moving clockwise from due north.
Bearing
Google Map
Navigator
Compass
27
A full revolution of a circle (360 degrees) equals 2π radians . This means that 1 radian is equal to?
90°/π
360°/π
180°/π
270°/π
28
Given a right triangle with acute angle of 34 degrees and a hypotenuse length of 25 feet, find the length of the side.
14.0
15.0
16.0
17.0
29
A right triangle has side lengths 3 cm and 4 cm. Find the length of the hypotenuse.
5 cm
8 cm
6 cm
7 cm
30
It can be described as the ratio of the length of the hypotenuse to the length of the adjacent side in a triangle.
Cosecant
Cosine
Cotangent
Secant
