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High School Math : High School Math

Study concepts, example questions & explanations for High School Math

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All High School Math Resources

8 Diagnostic Tests 613 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #4 : How To Find The Perimeter Of A Rectangle In Pre Algebra

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

Possible Answers:

P=44

P=20

P=32

P=40

Correct answer:

P=40

Explanation:

To find the perimeter of a rectangle you must find the sum of all of the side lengths.

To do this we plug the base and height into the equation

With a base of and a height of our equation would look like

P=2(12)+2(8)

Multiply and add the numbers together

P=24+16

The answer is P=40 .

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Example Question #3 : How To Find The Perimeter Of A Rectangle In Pre Algebra

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

Possible Answers:

A=36

P=21

P=42

A=28

Correct answer:

P=42

Explanation:

To find the perimeter of a rectangle you must find the sum of all of the side lengths.

To do this we plug the base and height into the equation

$Perimeter\:of\:rectangle=2(base)+2(height)$

With a base of and a height of our equation would look like

P=2(3)+2(18)

Multiply and add the numbers together

P=6+36

The answer is P=42 .

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Example Question #6 : How To Find The Perimeter Of A Rectangle In Pre Algebra

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

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of a rectangle, find the sum of all of the side lengths using the equation:

Perimeter = 2(Base)+2(Height)

Substitute the given values for base and height:

Perimeter=2(7)+2(15)

Perimeter=14+30

Perimeter=44

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Example Question #11 : How To Find The Perimeter Of A Rectangle In Pre Algebra

A rectangle has a width of feet and a length of feet. What is the perimeter of the rectangle?

Possible Answers:

feet

square feet

feet

square feet

feet

Correct answer:

feet

Explanation:

Recall that perimeter is the sum of all of the sides of a shape. Thus, we are adding up all sides of the rectangle. A rectangle has two sides that are the length and two sides that are the width. Thus,

P = 2l + 2w = 2(6) + 2(4) = 12 + 8 = 20 feet.

Perimeter is a measure of length, and not area (or square feet), so our units are just feet.

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Example Question #11 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Rectangle ABCD is subdivided into two identical square regions. If the area of each square is , what is the perimeter of ABCD ?

Possible Answers:

Correct answer:

Explanation:

Given that the area of each square is , the side length of each square is . To find the perimeter of the entire shape, one must add up the lenghts of the sides of the shape. Thus the sides of the rectangle are each , and the bases are (because the squares are connected). Adding them all together gives us .

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Example Question #1 : How To Find If Rhombuses Are Similar

A quadrilateral ABCD has diagonals that are perpendicular bisectors of one another. Which of the following classifications must apply to quadrilateral ABCD?

I. parallelogram

II. rhombus

III. square

Possible Answers:

II and III only

I and II only

I, II, and III

I and III only

Correct answer:

I and II only

Explanation:

If the diagonals of a quadrilateral are perpendicular bisectors of one another, then the quadrilateral must be a rhombus, but not necessarily a square. Since all rhombi are also parallelograms, quadrilateral ABCD must be both a rhombus and parallelogram.

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Example Question #651 : High School Math

Find the circumference of a circle with a radius of 6 inches.

Possible Answers:

$112\pi$

$36\pi$

$6\pi$

$12\pi$

Correct answer:

$12\pi$

Explanation:

Use the circumference formula $C=2\pi r$ and plug in 6 for . Leave $\pi$ in your answer to get $12\pi$ .

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Example Question #653 : High School Math

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

Possible Answers:

$15\pi$

$225\pi$

$30\pi$

Correct answer:

$30\pi$

Explanation:

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

We then plug in the number for the radius into the equation yielding

$Cicumference=2(15)\pi$

We multiply to find the value for the circumference is $30\pi$ .

The answer is $30\pi$ .

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Example Question #2 : How To Find The Circumference Of A Circle In Pre Algebra

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

Possible Answers:

$15\pi$

$30\pi$

Correct answer:

$30\pi$

Explanation:

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

We then plug in the number for the radius into the equation yielding $C=2(\pi)(15)$

We multiply to find the value for the circumference is $30\pi$ .

The answer is $30\pi$ .

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Example Question #3 : How To Find The Circumference Of A Circle In Pre Algebra

What is the circumference of a circle with radius ?

Possible Answers:

$6\pi$

$1.5\pi$

$3\pi$

$12\pi$

$8\pi$

Correct answer:

$6\pi$

Explanation:

Remember, the formula for circumference of a circle is $C=2\pi r$ .

Plug in our given values:

$C=2\pi r$

$C=2\pi*3$

$C=6\pi$

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High School Math : High School Math

Study concepts, example questions & explanations for High School Math

All High School Math Resources

Example Questions

Example Question #4 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Example Question #3 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Example Question #6 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Example Question #11 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Example Question #11 : How To Find The Perimeter Of A Rectangle In Pre Algebra

Example Question #1 : How To Find If Rhombuses Are Similar

Example Question #651 : High School Math

Example Question #653 : High School Math

Example Question #2 : How To Find The Circumference Of A Circle In Pre Algebra

Example Question #3 : How To Find The Circumference Of A Circle In Pre Algebra

All High School Math Resources

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