### All ISEE Lower Level Quantitative Resources

## Example Questions

### Example Question #11 : Plane Geometry

Angela found the perimeter of the trapezoid below to be 35 cm.

What is the length of the missing side?

**Possible Answers:**

**Correct answer:**

To find the perimeter of a trapezoid, add up the lengths of the four sides. In the given trapezoid,

To find the missing side, combine like terms and solve for .

The length of the missing side is thus .

### Example Question #12 : Plane Geometry

What is the perimeter of the above trapezoid?

**Possible Answers:**

**Correct answer:**

To find the perimeter of a trapezoid, add up the lengths of the four sides. In the given trapezoid,

### Example Question #13 : Plane Geometry

Ted drew the parallelogram shown below.

What is the perimeter of the parallelogram?

**Possible Answers:**

17 feet

40 feet

12 feet

26 feet

13 feet

**Correct answer:**

26 feet

The perimeter of a parallelogram can be found by summing the lengths of each of the sides. In a parallelogram, opposite sides have the same length. Therefore, you should use the equation 8 + 8 + 5 + 5 = P. The perimeter of the parallelogram is 26 feet.

### Example Question #14 : Plane Geometry

Guillermo drew the parallelogram below.

What is the perimeter of the parallelogram?

**Possible Answers:**

20 millimeters

26 millimeters

40 millimeters

42 millimeters

72 millimeters

**Correct answer:**

40 millimeters

The perimeter of a parallelogram can be found by summing the lengths of each of the sides. In a parallelogram, opposite sides have the same length. Therefore, you should use the equation 8 + 8 + 12 + 12 = P. The perimeter of the parallelogram is 40 feet.

### Example Question #15 : Plane Geometry

Find the perimeter of the following parallelogram.

**Possible Answers:**

**Correct answer:**

We plug in our values into the equation for the perimeter:

### Example Question #16 : Plane Geometry

Find the perimeter of the following parallelogram.

**Possible Answers:**

**Correct answer:**

We plug in our values into the equation for the perimeter:

### Example Question #17 : Plane Geometry

Find the perimeter of the following parallelogram.

**Possible Answers:**

**Correct answer:**

We plug in our values into the equation for the perimeter:

### Example Question #18 : Plane Geometry

What is the perimeter of the polygon below?

**Possible Answers:**

**Correct answer:**

To find the area of a perimeter, we add all of the side lengths together.

### Example Question #19 : Plane Geometry

What is the perimeter of the polygon below?

**Possible Answers:**

**Correct answer:**

To find the area of a perimeter, we add all of the side lengths together.

### Example Question #20 : Plane Geometry

What is the perimeter of the polygon below?

**Possible Answers:**

**Correct answer:**

To find the area of a perimeter, we add all of the side lengths together.