### All ISEE Lower Level Quantitative Resources

## Example Questions

### Example Question #1 : Triangles

The perimeter of a triangle is 14 inches. One side is 4 inches long. Another side is 5 inches long. How long is the 3rd side?

**Possible Answers:**

**Correct answer:**

Add up all of the sides of a triangle to get the perimeter. Here, 2 of the sides add up to give you 9 inches. The third side must equal the difference between 14 inches and 9 inches.

### Example Question #1 : Triangles

Bill found the perimeter of the triangle below to be 34 units.

What is the length of the missing side?

**Possible Answers:**

12 units

15 units

14 units

20 units

13 units

**Correct answer:**

14 units

The perimeter of a triangle can be found by adding up all of the sides.

Start by adding the two sides that are given: 8 + 12 = 20

The third side can be found by subtracting this sum from the total perimeter: 34 - 20 = 14. The missing side is 14 units long.

### Example Question #3 : Triangles

Zoe drew the below triangle.

What is the perimeter of the triangle?

**Possible Answers:**

20 inches

40 inches

36 inches

30 inches

39 inches

**Correct answer:**

39 inches

The perimeter of a triangle can be found by adding all of the side lengths: 8 + 12 + 19 = P. Therefore, the perimeter of the given triangle is 39 inches.

### Example Question #4 : Triangles

Megan drew the triangle below and found its perimeter to be 36 inches.

What is the length of the missing side?

**Possible Answers:**

9 inches

12 inches

15 inches

36 inches

21 inches

**Correct answer:**

9 inches

The perimeter of a triangle can be found by adding up all of the sides.

Start by adding the two sides that are given: 15 + 12 = 27

The third side can be found by subtracting this sum from the total perimeter: 36 - 27 = 9. The missing side is 9 inches long.

### Example Question #1 : Triangles

James found the perimeter of the triangle to be 95 cm.

What is the length of the missing side?

**Possible Answers:**

**Correct answer:**

To find the perimeter of a triangle, add the lengths of the three sides together. In the given triangle, . Combine like terms and solve for in order to find the length of the missing side:

The missing side is long.

### Example Question #6 : Triangles

What is the perimeter of the above triangle?

**Possible Answers:**

**Correct answer:**

To find the perimeter of a triangle, add up the lengths of the three sides:

### Example Question #7 : Triangles

What is the perimeter of the triangle below?

**Possible Answers:**

**Correct answer:**

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

### Example Question #8 : Triangles

What is the perimeter of the triangle below?

**Possible Answers:**

**Correct answer:**

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

### Example Question #9 : Triangles

What is the perimeter of the triangle below?

**Possible Answers:**

**Correct answer:**

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

### Example Question #10 : Triangles

What is the perimeter of the triangle below?

**Possible Answers:**

**Correct answer:**

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