Pre-Algebra : Geometry

Study concepts, example questions & explanations for Pre-Algebra

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Example Questions

Example Question #44 : Perimeter

Find the perimeter of a square with a side of length 12cm.

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of a square, we use the following formula

where a, b, c, and d are the lengths of the sides. In this case, a side of the square is 12cm.  We know that the sides of a square are all equal.  So,

Note that when adding, we do not change the label, only the coefficients.  

Therefore, the perimeter of the square with a side of length 12cm is 48cm.

 

Example Question #45 : Perimeter

A squares sides measure  inches each.  What is its perimeter?

Possible Answers:

 square inches

 square inches

 square inches

 square inches

 square inches

Correct answer:

 square inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 square inches

Example Question #46 : Perimeter

A squares sides measure  inches each.  What is its perimeter?

Possible Answers:

 square inches

 square inches

 square inches

 square inches

 square inches

Correct answer:

 square inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 square inches

Example Question #47 : Perimeter

A rectangle measures  inches along its short side, and  inches along its long side.  What is the perimeter of the rectangle?

 

Possible Answers:

 square inches

 square inches

 square inches

 square inches

 square inches

Correct answer:

 square inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 square inches

Example Question #31 : Perimeter Of A Rectangle Or Square

A rectangle measures  inches along its short side, and  inches along its long side.  What is the perimeter of the rectangle?

Possible Answers:

 inches

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 inches

Example Question #32 : Perimeter Of A Rectangle Or Square

A rectangle measures  inches along its short side, and  inches along its long side.  What is the perimeter of the rectangle?

Possible Answers:

 inches

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 inches

Example Question #33 : Perimeter Of A Rectangle Or Square

A squares sides measure  inches each.  What is its perimeter?

Possible Answers:

 inches

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 inches

Example Question #34 : Perimeter Of A Rectangle Or Square

A squares sides measure  inches each.  What is its perimeter?

Possible Answers:

 inches

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 inches

Example Question #35 : Perimeter Of A Rectangle Or Square

A rectangle measures  inches along its short side, and  inches along its long side.  What is the perimeter of the rectangle?

Possible Answers:

 inches

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

To find the perimeter of any object, simply add the length of each side together.  The best answer is:

 inches

Example Question #36 : Perimeter Of A Rectangle Or Square

Find the perimeter of a rectangle with a length of 7cm and a width that is half the length.

Possible Answers:

Correct answer:

Explanation:

The formula to find the perimeter of a rectangle is

where a, b, c and d are the sides of the rectangle.  We know the length is 7cm and the width is half the length.  So, the width is 3.5cm.  So, we can substitute and get

Note that when we add, we do not combine the labels, we only combine the numbers.

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