HSPT Math : HSPT Mathematics

Study concepts, example questions & explanations for HSPT Math

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Example Questions

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 #251 : Hspt Mathematics

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 #252 : Hspt Mathematics

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 .

Example Question #253 : Hspt Mathematics

What is the circumference of a circle with a radius of 5?

Possible Answers:

\dpi{100} 50\pi

\dpi{100} 5\pi

\dpi{100} 10\pi

\dpi{100} 25\pi

Correct answer:

\dpi{100} 10\pi

Explanation:

The formula for circumference is \dpi{100} \pi d or \dpi{100} 2\pi r.

Since we are given the radius, we will use \dpi{100} 2\pi r.

\dpi{100} 2\pi r=2\pi (5)=10\pi

Example Question #254 : Hspt Mathematics

What is the perimeter of a square with a side length of 4?

Possible Answers:

\dpi{100} 5

\dpi{100} 16

\dpi{100} 20

\dpi{100} 12

Correct answer:

\dpi{100} 16

Explanation:

The formula for the perimeter of a square is \dpi{100} 4s, where \dpi{100} s is the length of one side of the square.

So \dpi{100} 4\cdot (4)=16

Example Question #255 : Hspt Mathematics

If the perimeter of a rectangle is 40, and the width of the rectangle is 8, what is the length of the rectangle?

Possible Answers:

\dpi{100} 12

\dpi{100} 4

\dpi{100} 5

\dpi{100} 10

Correct answer:

\dpi{100} 12

Explanation:

The formula for the perimeter of a rectangle is \dpi{100} P=2l+2w, where \dpi{100} l is the length of the rectangle and \dpi{100} w is the width.

Plug in the numbers that we are given into the equation.

\dpi{100} 40=2l +2(8)

\dpi{100} 40=2l +16

\dpi{100} 40-16=2l +16-16

\dpi{100} 24=2l

\dpi{100} \frac{24}{2}=\frac{2l}{2}

\dpi{100} l=12

Example Question #256 : Hspt Mathematics

What is the perimeter of a rectangle with a base of 4 and a height of 8?

Possible Answers:

Correct answer:

Explanation:

When searching for the perimeter of a rectangle we are looking for the sum of the lengths of all of the sides enclosing the figure. In this case there are four sides, two that are the base and two that are the height. To find the perimeter we add all four of them together.

Therefore the equation for the perimeter of a rectangle is 

In this case the equation looks like this  

Multiply the numbers together 

Then add them to get the answer 

 

Example Question #257 : Hspt Mathematics

What is the height of a rectangle with a perimeter of 30 and base of 12?

Possible Answers:

Correct answer:

Explanation:

The perimeter of a rectangle is the sum of four sides, two that are the base and two that are the height. To find the perimeter we add all four of them together.

Therefore the equation for the perimeter of a rectangle is

In this example we plug in the base and the perimeter so the equation looks like this 

Perform the multiplication to get 

Subtract from both sides to arrive at  

Then divide by 2 to find the height 

The answer 

Example Question #258 : Hspt Mathematics

What is the perimeter of a square with a side legnth of 8?

Possible Answers:

Correct answer:

Explanation:

When searching for the perimeter of a square we are looking for the sum of the lengths of all of the sides enclosing the figure. In this case there are four sides that are all equal length. To find the perimeter we add all four of them together or multiply the side length by four.

In this example the equation looks like this:

Multiply the numbers together to get .

Example Question #259 : Hspt Mathematics

What is the radius of a circle with a circumference of ?

Possible Answers:

Correct answer:

Explanation:

To find the radius of a circle given the circumference we must first know the equation for the circumference of a circle which is 

Then we plug in the circumference into the equation for  yielding 

We then divide each side by :

We then have the answer for  which is .

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