# Area Of Plane Figures

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| By Mrskhoffman
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Mrskhoffman
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Quizzes Created: 1 | Total Attempts: 333
Questions: 12 | Attempts: 333

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Finding the area of triangles, parallelograms trapezoids etc.

• 1.

### What do you call the measurement around the outside of a figure?

• A.

Perimeter

• B.

Area

• C.

Volume

A. Perimeter
Explanation
The measurement around the outside of a figure is called the perimeter. It is the total length of all the sides of the figure. The perimeter helps in determining the distance around the figure and is commonly used in geometry to calculate the boundaries of shapes such as squares, rectangles, triangles, and circles.

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• 2.

### What are you measuring the inside of a two dimensional figure such as a square, rectangle or triangle you are finding the...

• A.

Perimeter

• B.

Volume

• C.

Area

C. Area
Explanation
When measuring the inside of a two-dimensional figure such as a square, rectangle, or triangle, you are finding the area. Area is a measurement of the amount of space inside a shape, typically expressed in square units. It is calculated by multiplying the length of the base by the height of the shape (for rectangles and triangles) or by multiplying the lengths of two adjacent sides (for squares). The area helps determine the amount of surface or space occupied by the figure.

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• 3.

### What is the proper way to label the area of a rectangle that has a length of 5 inchesand a width of 4 inches?

• A.

20 inches

• B.

20 square inches

• C.

9 square inches

B. 20 square inches
Explanation
The proper way to label the area of a rectangle with a length of 5 inches and a width of 4 inches is 20 square inches. The area of a rectangle is calculated by multiplying the length and width, so in this case, 5 inches multiplied by 4 inches equals 20 square inches.

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• 4.

### When you measure the height of a figure the line must be straight ( not slanted).  It must be perpendicular ( at a 90 degree angle) to the base.

• A.

True

• B.

False

A. True
Explanation
When measuring the height of a figure, it is important for the line to be straight and not slanted. This ensures an accurate measurement. Additionally, the line must be perpendicular to the base, forming a 90-degree angle. This is because the height is the vertical distance from the base to the top of the figure. Therefore, the statement "True" is correct.

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• 5.

### The base of a figure...

• A.

Is always just the bottom only

• B.

May be the bottom as well as the top

• C.

Is always only the top

B. May be the bottom as well as the top
Explanation
The correct answer is "may be the bottom as well as the top." This means that the base of a figure can be either the bottom or the top, or both. The base is typically the surface on which the figure rests or is built upon, so depending on the shape and structure of the figure, the base can be at either the bottom or the top, or even both in some cases.

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• 6.

### If a square measures 3 cm on each side, what is its area?

• A.

9 cm

• B.

12 cm

• C.

9 sq. cm

C. 9 sq. cm
Explanation
Don't forget the all area answers are written in square units or with an exponent of 2.

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• 7.

### What is the area of a parallelogram that has a height of 7m and a base of 4 m?

• A.

11 square meters

• B.

28 square meters

• C.

14 square meters

B. 28 square meters
Explanation
The area of a parallelogram is calculated by multiplying the base by the height. In this case, the base is 4m and the height is 7m. Therefore, the area of the parallelogram is 4m * 7m = 28 square meters.

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• 8.

### What is the area of a triangle that has a height of 9cm and a base of 4 cm?

• A.

18 sq cm

• B.

36 sq cm

• C.

13 sq cm

A. 18 sq cm
Explanation
The area of a triangle is calculated by multiplying the base and height and dividing by 2. In this case, the base is 4 cm and the height is 9 cm. So, the area would be (4 cm * 9 cm) / 2 = 36 cm² / 2 = 18 cm².

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• 9.

### What is the area of a trapezoid that has a base of 2 inches, a base of 4  inches and a height of 3 inches?

• A.

6 sq. inches

• B.

24 sq. inches

• C.

9 sq inches

C. 9 sq inches
Explanation
The area of a trapezoid can be calculated using the formula: (base1 + base2) * height / 2. In this case, the base1 is 2 inches, the base2 is 4 inches, and the height is 3 inches. Plugging these values into the formula, we get (2 + 4) * 3 / 2 = 6 * 3 / 2 = 18 / 2 = 9 sq. inches. Therefore, the correct answer is 9 sq. inches.

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• 10.

### What is the area of a parallelogram that has a height of 21 m and a base of 9 m?

• A.

159 sq m

• B.

30 sq m

• C.

189 sq.m

C. 189 sq.m
Explanation
The area of a parallelogram is calculated by multiplying the base by the height. In this case, the base is 9 m and the height is 21 m. Therefore, the area of the parallelogram is 9 m multiplied by 21 m, which equals 189 sq.m.

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• 11.

### What is the area of a trapezoid that has a base of 6 inches, a base of  10 inches and a height of 5 inches?

• A.

40 sq inches

• B.

21 sq inches

• C.

150 sq inches

A. 40 sq inches
Explanation
The area of a trapezoid can be calculated by using the formula: A = (1/2) * (b1 + b2) * h, where b1 and b2 are the lengths of the bases and h is the height. In this case, the bases are 6 inches and 10 inches, and the height is 5 inches. Plugging these values into the formula, we get A = (1/2) * (6 + 10) * 5 = 40 sq inches.

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• 12.

### What is the area of a triangle that has a height of 25 cm and a base of 20 cm?

• A.

420 cm

• B.

500 sq cm

• C.

250 sq.cm

C. 250 sq.cm
Explanation
The area of a triangle is calculated by multiplying the base by the height and dividing the result by 2. In this case, the base is 20 cm and the height is 25 cm. Multiplying these values gives us 500 cm². Dividing this by 2 gives us the final answer of 250 sq.cm.

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• Current Version
• Mar 21, 2023
Quiz Edited by
ProProfs Editorial Team
• Oct 27, 2016
Quiz Created by
Mrskhoffman

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