Two triangles are similar. The sides of one are three times as long as the sides of the other. What is the ratio of the areas of the smaller to the larger?
Anonymous Quiz
37%
1:3
16%
1:6
39%
1:9
9%
1:27
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How many lines of symmetry does a circle have?
Anonymous Quiz
10%
1
14%
2
69%
Infinite number
8%
Can not be known
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What is the perimeter of regular hexagon whose radius is 6cm ?
Anonymous Quiz
56%
36 cm
13%
6 cm
19%
36√3 cm
12%
6√3 cm
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Biology some questions from grade 9 unit 3 Old book.
1. Which of the following is the primary source of energy for the human body?
a) Proteins
b) Carbohydrates
c) Fats
d) Vitamins
2. Which of the following nutrients is essential for building and repairing body tissues?
a) Carbohydrates
b) Lipids
c) Proteins
d) Minerals
3. Which of the following vitamins is fat-soluble and important for vision?
a) Vitamin C
b) Vitamin B12
c) Vitamin A
d) Vitamin K
4. A deficiency in which mineral can lead to anemia?
a) Calcium
b) Sodium
c) Iron
d) Potassium
5. Which of the following is a good source of dietary fiber?
a) White bread
b) Processed meats
c) Fruits and vegetables
d) Dairy products
6. The process by which the body breaks down food into smaller molecules that can be absorbed is called:
a) Respiration
b) Circulation
c) Digestion
d) Excretion
7. Which of the following enzymes primarily breaks down carbohydrates in the mouth?
a) Pepsin
b) Lipase
c) Amylase
d) Trypsin
8. Essential amino acids are those that:
a) The body can produce in sufficient amounts.
b) Are only found in plant-based foods.
c) Must be obtained from the diet.
d) Are broken down into fatty acids.
9. Which of the following is a major function of water in the body?
a) Providing energy
b) Building strong bones
c) Transporting nutrients and waste products
d) Clotting blood
10. Which of the following is a micronutrient?
a) Glucose
b) Starch
c) Vitamin D
d) Glycogen
1. Which of the following is the primary source of energy for the human body?
a) Proteins
b) Carbohydrates
c) Fats
d) Vitamins
2. Which of the following nutrients is essential for building and repairing body tissues?
a) Carbohydrates
b) Lipids
c) Proteins
d) Minerals
3. Which of the following vitamins is fat-soluble and important for vision?
a) Vitamin C
b) Vitamin B12
c) Vitamin A
d) Vitamin K
4. A deficiency in which mineral can lead to anemia?
a) Calcium
b) Sodium
c) Iron
d) Potassium
5. Which of the following is a good source of dietary fiber?
a) White bread
b) Processed meats
c) Fruits and vegetables
d) Dairy products
6. The process by which the body breaks down food into smaller molecules that can be absorbed is called:
a) Respiration
b) Circulation
c) Digestion
d) Excretion
7. Which of the following enzymes primarily breaks down carbohydrates in the mouth?
a) Pepsin
b) Lipase
c) Amylase
d) Trypsin
8. Essential amino acids are those that:
a) The body can produce in sufficient amounts.
b) Are only found in plant-based foods.
c) Must be obtained from the diet.
d) Are broken down into fatty acids.
9. Which of the following is a major function of water in the body?
a) Providing energy
b) Building strong bones
c) Transporting nutrients and waste products
d) Clotting blood
10. Which of the following is a micronutrient?
a) Glucose
b) Starch
c) Vitamin D
d) Glycogen
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For what angle of project is the range equal to maximum height?
Anonymous Quiz
25%
tan(θ) = 4
16%
sin(θ) = 1/2
13%
cos(θ) = 3
46%
tan(θ) = 1 or θ = 45°
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Which of the following general terms is not an arithmetic sequence?
Anonymous Quiz
10%
{an} = 3n-7
58%
{an} = n² + 3
14%
{an} = 2n
18%
{an} = 3n/2
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What is the radians measurement of 1620° ?
Anonymous Quiz
52%
9π rad
19%
7π rad
20%
6π rad
9%
8π rad
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In which of the following quadrant does sine be negative?
Anonymous Quiz
11%
Quadrant II only
23%
Quadrant III only
61%
Quadrant III and IV only
5%
Quadrant IV only
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If θ is an angel in standard position and P ( 6, 8) is a point on the terminal side of θ, then which of the following is true about corresponding trigonometric functions?
Anonymous Quiz
15%
sinθ = 3/5
27%
cosθ = 4/5
52%
tanθ = 4/3
6%
cscθ = 5/3
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