# FOURTH QUARTER REVIEW TEST Math Grade 9

## Quiz by MAVIL ROSE DACUGAN

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40 questions
• Q1
What is the value of sine 90°?
1
-1
undefined
0
30s
• Q2
What is the tangent ratio of an angle in a right triangle?
Opposite/Hypotenuse
30s
• Q3
What is the sine ratio of an angle in a right triangle?
Opposite/Hypotenuse
30s
• Q4
What is the cosine ratio of an angle in a right triangle?
Opposite/Hypotenuse
30s
• Q5
What is the sine ratio for a 30 degree angle in a right triangle?
1/2
1
sqrt(3)/2
1/sqrt(2)
30s
• Q6
What is the tangent ratio for a 45 degree angle in a right triangle?
1
1/2
2
sqrt(3)/2
30s
• Q7
What is the cosine ratio for a 60 degree angle in a right triangle?
sqrt(3)/2
1
1/sqrt(2)
1/2
30s
• Q8
What is the tangent ratio for a 60 degree angle in a right triangle?
sqrt(2)
2
1/2
sqrt(3)
30s
• Q9
What is the sine ratio for a 60 degree angle in a right triangle?
2
sqrt(3)/2
sqrt(2)
1/2
30s
• Q10
What is the cosine ratio for a 30 degree angle in a right triangle?
1/2
sqrt(3)/2
2
sqrt(2)
30s
• Q11
What is the angle of depression?
The angle formed between two perpendicular lines
The angle between the horizontal line and the line of sight while looking downwards
The angle formed between two intersecting lines
The angle formed between two parallel lines
30s
• Q12
A person standing on the roof of a 20-meter building sights a car on the ground. The angle of depression from the person to the car is 45°. How far is the car from the building?
25 meters
10 meters
15 meters
20 meters
30s
• Q13
A person standing on a cliff sights a bird flying below with an angle of depression of 70°. If the cliff is 50 meters high, how far away is the bird?
approximately 200 meters
approximately 70 meters
approximately 135 meters
approximately 100 meters
30s
• Q14
An observer on a building sees a car below him at an angle of depression of 30°. If the building is 40 meters high, how far is the car from the base of the building?
approximately 58 meters
approximately 35 meters
approximately 69 meters
approximately 45 meters
30s
• Q15
A ladder is leaning against a wall. If the ladder is 15 meters long and forms a 75-degree angle with the ground, how far up the wall does the ladder reach?
13.5 meters
10 meters
14.59 meters
12 meters
30s

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