# Grade 9 Math at Pagalanggang NHS 4th Quarter

## Quiz by Dante Susi

Mathematics

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50 questions
• Q1
Which of the following statement is incorrect?
cosine 60⁰ = 4/x
Sin 30⁰ = 4/x
x=8
sin 60⁰= y/4
30s
M9GE-IVa-1
• Q2
With respect to the given angle, what is the ratio of the opposite side to the hypotenuse?
Tangent
Cosine
Sine
Cotangent
30s
M9GE-IVa-1
• Q3
Which refers to the angle of depression?
Angle LKN
Angle LKM
Angle MKN
none of these
30s
M9GE-IVd-1
• Q4
It is the angle between the horizontal line from the observer and the line of sight to an object that is below the horizontal line.
angle of elevation
observer
line of sight
angle of depression
30s
M9GE-IVd-1
• Q5
It is the angle between the horizontal line from the observer and the line of sight to an object that is above the horizontal line.
angle of elevation
observer
horizontal line of sight
angle of depression
30s
M9GE-IVd-1
• Q6
Any of various instruments for measuring angles of elevation or inclination
hydrometer
thermometer
aerometer
clinometer
30s
M9GE-IVd-1
• Q7
Evaluate Sine 90⁰
1/2
0
-1
1
30s
M9GE-IVa-1
• Q8
Evaluate Cosine 90⁰
1
0
1/2
-1
30s
M9GE-IVa-1
• Q9
what is the length of PQ?
5 cm
12 cm
10 cm
9 cm
30s
M9GE-IVe-1
• Q10
In the triangle DEF, what is the measure of angle E to the nearest degree?
41⁰
16⁰
28⁰
62⁰
30s
M9GE-IVe-1
• Q11
If p=20 and q=40, what is the measure of angle R?
55⁰
60⁰
40⁰
65⁰
30s
M9GE-IVb-c-1
• Q12
Find the value of c to the nearest unit.
21
20
23
22
30s
M9GE-IVb-c-1
• Q13
What is the value of x?
3
6 √2
6
3 √2
30s
M9GE-IVb-c-1
• Q14
The expression 2( sin 30⁰ ) – tan 45⁰ is equal to
-1
0
1
2
30s
M9GE-IVb-c-1
• Q15
Triangle BCA is a right-angled at C. If c=23 and b = 17, find A
44.340⁰
42.340⁰
45.340⁰
43.340⁰
30s
M9GE-IVb-c-1

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