HSPT Math : How to find the area of a figure

Study concepts, example questions & explanations for HSPT Math

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Example Questions

Example Question #281 : Plane Geometry

What is the area of the figure below?


7

Possible Answers:

Correct answer:

Explanation:

To find the area of the figure above, we need to slip the figure into two rectangles. 

7.5

Using our area formula, , we can solve for the area of both of our rectangles

            

           

To find our final answer, we need to add the areas together. 

Example Question #51 : Rectangles

What is the area of the figure below?

6

Possible Answers:

Correct answer:

Explanation:

To find the area of the figure above, we need to slip the figure into two rectangles. 

6.5

Using our area formula, , we can solve for the area of both of our rectangles

            

           

To find our final answer, we need to add the areas together. 

Example Question #52 : Rectangles

What is the area of the figure below?


5

Possible Answers:

Correct answer:

Explanation:

To find the area of the figure above, we need to slip the figure into two rectangles. 

5.5

Using our area formula, , we can solve for the area of both of our rectangles

            

           

To find our final answer, we need to add the areas together. 

Example Question #53 : Rectangles

What is the area of the figure below?


4

Possible Answers:

Correct answer:

Explanation:

To find the area of the figure above, we need to slip the figure into two rectangles. 

4.5

Using our area formula, , we can solve for the area of both of our rectangles

            

           

To find our final answer, we need to add the areas together. 

Example Question #54 : Rectangles

What is the area of the figure below?

3

Possible Answers:

Correct answer:

Explanation:

To find the area of the figure above, we need to slip the figure into two rectangles. 

3.5

Using our area formula, , we can solve for the area of both of our rectangles

            

           

To find our final answer, we need to add the areas together. 

Example Question #55 : Rectangles

What is the area of the figure below?

1

Possible Answers:

Correct answer:

Explanation:

To find the area of the figure above, we need to slip the figure into two rectangles. 

1.5

Using our area formula, , we can solve for the area of both of our rectangles

            

           

To find our final answer, we need to add the areas together. 

Example Question #56 : Rectangles

What is the area of the figure below?

2

Possible Answers:

Correct answer:

Explanation:

To find the area of the figure above, we need to slip the figure into two rectangles. 

2.5

Using our area formula, , we can solve for the area of both of our rectangles

            

           

To find our final answer, we need to add the areas together. 

Example Question #41 : Geometry

What is the area of a triangle with a side lengths of 5?

Possible Answers:

Cannot be determined

Correct answer:

Cannot be determined

Explanation:

The area of a triangle is found with the equation 

.  

Since we do not have the height, we cannot answer the question. 

Example Question #42 : Geometry

What is the area of a triangle with a base of 22 cm and a height of 9 cm? 

Possible Answers:

Correct answer:

Explanation:

Use the area of a triangle formula

Plug in the base and height. This gives you .

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