Area Quiz - 6.8 And 6.9

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| By Annacabral

Annacabral

Community Contributor

Quizzes Created: 30 | Total Attempts: 18,009

Questions: 10 | Attempts: 139 | Updated: Mar 19, 2023

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Area of Polygons - Geometry

Questions and Answers

1.

Find the area of a parallelogram with a base of 10 units and a height of 5 units.
- A.
  
  50
- B.
  
  30
- C.
  
  15
- D.
  
  20
- E.
  
  25
Correct Answer
A. 50

Explanation
The area of a parallelogram is calculated by multiplying the length of the base by the height. In this case, the base is 10 units and the height is 5 units. Multiplying these values together gives us an area of 50 square units.

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2.

Find the area of the triangle below:
- A.
  
  120
- B.
  
  60
- C.
  
  23
- D.
  
  17
- E.
  
  289
Correct Answer
B. 60
3.

Find the area of the trapezoid below:
- A.
  
  168
- B.
  
  84
- C.
  
  240
- D.
  
  120
- E.
  
  None of the above
Correct Answer
B. 84

Explanation
A = 1/2(b1+b2)h

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4.

Find the area of the parallelogram below:
- A.
  
  160
- B.
  
  80
- C.
  
  40
- D.
  
  128
- E.
  
  None of the above
Correct Answer
D. 128
5.

Find the area of the parallelogram below:
- A.
  
  240
- B.
  
  260
- C.
  
  120
- D.
  
  130
- E.
  
  180
Correct Answer
A. 240
6.

Find the area of the rhombus using the formula: A = 1/2D₁*D₂
- A.
  
  24
- B.
  
  48
- C.
  
  96
- D.
  
  192
- E.
  
  None of the above
Correct Answer
C. 96
7.

Find the area of the living room shown in the floor plan below:
- A.
  
  360
- B.
  
  280
- C.
  
  216
- D.
  
  168
- E.
  
  None of the above
Correct Answer
D. 168

Explanation
The correct answer is 168. This is because the area of the living room can be calculated by multiplying the length and width of the room. Since the question does not provide the dimensions of the living room, it is not possible to determine the correct answer. Therefore, the answer is none of the above.

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8.

Find the area of a square if the perimeter is 48 cm.
- A.
  
  144 square centimeters
- B.
  
  12 square centimeters
- C.
  
  36 square centimeters
- D.
  
  64 square centimeters
- E.
  
  Not enough information
Correct Answer
A. 144 square centimeters

Explanation
The perimeter of a square is the sum of all its sides. In this case, the perimeter is given as 48 cm. Since a square has all sides equal in length, we can divide the perimeter by 4 to find the length of one side. 48 cm divided by 4 is 12 cm. The area of a square is calculated by multiplying the length of one side by itself. Therefore, the area of the square is 12 cm multiplied by 12 cm, which equals 144 square centimeters.

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9.

The area of a square is 25 square units. What is the length of one side?
- A.
  
  6.25
- B.
  
  5
- C.
  
  625
- D.
  
  100
- E.
  
  None of the above
Correct Answer
B. 5

Explanation
The area of a square is calculated by multiplying the length of one side by itself. In this case, the area is given as 25 square units. To find the length of one side, we need to find the square root of the area. The square root of 25 is 5, so the length of one side of the square is 5 units.

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10.

The area of a rectangle is 80 square units. The length is 16 units. What is the rectangle's width?
- A.
  
  48
- B.
  
  24
- C.
  
  5
- D.
  
  1280
- E.
  
  640
Correct Answer
C. 5

Explanation
The area of a rectangle is calculated by multiplying its length by its width. In this case, the length is given as 16 units and the area is given as 80 square units. To find the width, we can divide the area by the length: 80 / 16 = 5. Therefore, the width of the rectangle is 5 units.

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