ISEE Upper Level Math : Geometry

Study concepts, example questions & explanations for ISEE Upper Level Math

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Example Questions

Example Question #2 : How To Find An Angle In Other Quadrilaterals

The four angles of a quadrilateral have the following value: 79 degrees, 100 degrees, 50 degrees, and  degrees. What is the value of ?

Possible Answers:

Correct answer:

Explanation:

Given that there are 360 degrees when all the angles of a quadrilateral are added toghether, this problem can be solved with the following equation:

Example Question #3 : Other Quadrilaterals

In a quadrilateral, the angles have the following values:

What is the value of ?

Possible Answers:

Correct answer:

Explanation:

Given that there are 360 degrees when the angles of a quadrilateral are added together, it follows that:

Example Question #3 : Quadrilaterals

The perimeter of a quadrilateral is 86. The four sides measure

.

What is the value of ?

Possible Answers:

Correct answer:

Explanation:

Given that the perimeter is 86, the sides of the quadrilateral will all add up to this amount. 

The first step is the add together all the integers. 

Next, we subtract 70 from each side. 

We reduce the left side of the equation:

Now, we divide each side by 4. This leaves:

Example Question #231 : Geometry

Side  shown below in square  is equal to 17.5 inches. What is the perimeter of ?

342px-square_-_geometry.svg

Possible Answers:

Cannot be determined

Correct answer:

Explanation:

The perimeter of a quadrilateral is the sum of the length of all four sides. In a square, each side is of equal length. Thus, the perimeter is the length of a side (given) times 4.

Example Question #2 : How To Find The Perimeter Of A Square

If the area of a square is , what is the perimeter?

Possible Answers:

Correct answer:

Explanation:

If the area of a square is , then the length of one side will be equal to the square root of 

The perimeter is equal to 4 times the length of one side. 

This gives us: 

Example Question #3 : How To Find The Perimeter Of A Square

One of your holiday gifts is wrapped in a cube-shaped box. 

If one of the edges has a length of 6 inches, what is the perimeter of one side of the box?

Possible Answers:

Correct answer:

Explanation:

One of your holiday gifts is wrapped in a cube-shaped box. 

If one of the edges has a length of 6 inches, what is the perimeter of one side of the box? 

To find perimeter of a square, simply multiply the side length by 4

Example Question #3 : How To Find The Perimeter Of A Square

Inscribed circle

In the above diagram, the circle is inscribed inside the square. The circle has circumference 30. What is the perimeter of the square?

Possible Answers:

Correct answer:

Explanation:

Call the diameter of the circle . The length of each side of the square also is equal to this.

The diameter of the circle is equal to its circumference divided by , so

.

The perimeter of the square is four times this sidelength, so 

.

Example Question #234 : Isee Upper Level (Grades 9 12) Mathematics Achievement

Find the perimeter of a square with a width of 4cm.

Possible Answers:

Correct answer:

Explanation:

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

where a, b, c, and d are the lengths of the sides of the square.

 

Now, we know the width of the square has a length of 4cm.  Because it is a square, all sides are equal.  Therefore, all sides are 4cm.

Knowing this, we can substitute into the formula.  We get

Example Question #4 : How To Find The Perimeter Of A Square

While out walking, you find a strange, square-shaped piece of metal. If the side length of the piece is 26 inches, what is the perimeter of the square?

Possible Answers:

Correct answer:

Explanation:

While out walking, you find a strange, square-shaped piece of metal. If the side length of the piece is 26 inches, what is the perimeter of the square?

To find the perimeter of a square, simply multiply the side length by 4. We can do this because perimeter is the distance around the outside of a shape, and squares have 4 equal sides.

 

Example Question #235 : Geometry

Find the perimeter of a square with a width of 18in.

Possible Answers:

Correct answer:

Explanation:

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

where a, b, c, and d are the lengths of the sides of the square.

Now, we know the width of the square is 18in. Because it is a square, all sides are equal. Therefore, all sides are 18in.

So, we get

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