# FOURTH QUARTER REVIEW TEST Math Grade 9

## Quiz by MAVIL ROSE DACUGAN

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40 questions

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- Q1What is the value of sine 90°?1-1undefined030s
- Q2What is the tangent ratio of an angle in a right triangle?Opposite/AdjacentAdjacent/HypotenuseOpposite/HypotenuseAdjacent/Opposite30s
- Q3What is the sine ratio of an angle in a right triangle?Opposite/AdjacentAdjacent/OppositeOpposite/HypotenuseAdjacent/Hypotenuse30s
- Q4What is the cosine ratio of an angle in a right triangle?Opposite/AdjacentAdjacent/HypotenuseAdjacent/OppositeOpposite/Hypotenuse30s
- Q5What is the sine ratio for a 30 degree angle in a right triangle?1/21sqrt(3)/21/sqrt(2)30s
- Q6What is the tangent ratio for a 45 degree angle in a right triangle?11/22sqrt(3)/230s
- Q7What is the cosine ratio for a 60 degree angle in a right triangle?sqrt(3)/211/sqrt(2)1/230s
- Q8What is the tangent ratio for a 60 degree angle in a right triangle?sqrt(2)21/2sqrt(3)30s
- Q9What is the sine ratio for a 60 degree angle in a right triangle?2sqrt(3)/2sqrt(2)1/230s
- Q10What is the cosine ratio for a 30 degree angle in a right triangle?1/2sqrt(3)/22sqrt(2)30s
- Q11What is the angle of depression?The angle formed between two perpendicular linesThe angle between the horizontal line and the line of sight while looking downwardsThe angle formed between two intersecting linesThe angle formed between two parallel lines30s
- Q12A 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 meters10 meters15 meters20 meters30s
- Q13A 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 metersapproximately 70 metersapproximately 135 metersapproximately 100 meters30s
- Q14An 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 metersapproximately 35 metersapproximately 69 metersapproximately 45 meters30s
- Q15A 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 meters10 meters14.59 meters12 meters30s