# Area And Perimeter Of Trapezoids And Circles

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Geometry quiz on area and perimeter of trapezoids and circles

• 1.

### Find the area of the trapezoid

• A.

2700

• B.

1350

• C.

435

• D.

217.5

D. 217.5
Explanation
The answer 217.5 is the area of the trapezoid. The area of a trapezoid is calculated by multiplying the sum of the lengths of the parallel sides (base1 + base2) by the height and dividing it by 2. Since the question does not provide the lengths of the bases or the height, it is not possible to determine the accuracy of the answer or provide a more detailed explanation.

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• 2.

• A.

65

• B.

130

• C.

720

• D.

360

A. 65
• 3.

• A.

21.25

• B.

42.5

• C.

30

• D.

6.25

A. 21.25
• 4.

• A.

112

• B.

224

• C.

42

• D.

154

D. 154
• 5.

### Type in the perimeter in the box below for the trapezoid.

48
Explanation
The correct answer for the perimeter of the trapezoid is 48. The other two options, "forty-eight" and "forty eight," are written in words but still represent the numerical value of 48.

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• 6.

fifty-two
• 7.

### Type in the area for the circle below. Use 3.14 for pi.

78.5
Explanation
The given answer is correct because it includes both possible values for the area of a circle. The first value, 78.5, is likely obtained by using the formula A = πr^2 and substituting the given value of pi as 3.14. The second value, 79, could be rounded up from the decimal approximation of pi as 3.14159. Both values are valid and represent the area of the circle.

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• 8.

### Type in the area for the circle below. Use 3.14 for pi.

1133.54
Explanation
The given options are all possible values for the area of a circle. The area of a circle is calculated using the formula A = πr^2, where A is the area and r is the radius of the circle. Since the radius is not given, we cannot determine the exact area. However, we can conclude that the area could be either 1133.54, 1133.5, or 1134, depending on the value of the radius.

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• 9.

615.44
• 10.

94.2
• 11.

### Type in the circumference for the circle below. Use 3.14 for pi.

56.52
56.5
57
Explanation
The given answer options are all rounded to two decimal places. Since the value of pi is given as 3.14, we can calculate the circumference of the circle using the formula C = 2πr. Without knowing the radius of the circle, it is not possible to determine the exact circumference. However, we can approximate it by rounding the calculated value to two decimal places. Therefore, any of the given options could be the correct answer depending on the specific radius of the circle.

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• 12.

### Type in the circumference for the circle below. Use 3.14 for pi.

15.7
Explanation
The circumference of a circle is calculated using the formula C = 2πr, where π is approximately 3.14 and r is the radius of the circle. In this case, since the radius is not given, we cannot determine the exact circumference. However, we can see that the given values of 15.7 and 16 are close to each other, so it is possible that one of them could be the correct answer depending on the actual radius of the circle.

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• Current Version
• Mar 26, 2024
Quiz Edited by
ProProfs Editorial Team
• Mar 08, 2012
Quiz Created by
Tjkim

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