SSAT Elementary Level Math : SSAT Elementary Level Quantitative (Math)

Study concepts, example questions & explanations for SSAT Elementary Level Math

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Example Questions

Example Question #34 : Triangles

The perimeter of a scalene triangle is 21 mm.  Which choice shows the correct side lengths?

Possible Answers:

Correct answer:

Explanation:

When finding the perimeter of any triangle, you will need to add all three sides. In this case, it is important to note that this is the perimeter of a scalene triangle. A scalene triangle has no congruent/equal sides.  The only choice that adds up to 21 mm with no equal sides is:

Example Question #623 : Geometry

Screen_shot_2013-12-21_at_3.13.48_pm

What is the perimeter of the above triangle?

Possible Answers:

12

28

30

7.5

11

Correct answer:

12

Explanation:

To find the perimeter of a triangle, add all of its three sides. 5 + 4 + 3 = 12

Example Question #35 : Triangles

Screen_shot_2013-12-24_at_3.59.28_pm

If the blue triangle has three equal sides, what is the triangle's perimeter?

Possible Answers:

Correct answer:

Explanation:

Since the problem asks about an equilateral triangle (one that has three equal sides), we just need to multiply the given side's length by 3.

Example Question #7 : How To Find The Perimeter Of A Triangle

Screen_shot_2014-01-06_at_12.34.19_pm

What is the perimeter of the above triangle?

Possible Answers:

16

48

28

24

32

Correct answer:

24

Explanation:

To find the perimeter of a triangle, simply add all three sides together.

Example Question #625 : Geometry

A triangle has a perimeter of  inches. If all its sides are the same length, what is the length of one of its sides?

Possible Answers:

 inches

 inches

 inches

 inches

 inches

Correct answer:

 inches

Explanation:

A triangle has  sides, and its perimeter is the length of all the sides added together. Since all the sides are the same length, dividing the perimeter by  will give the length of one side.  divided by  is  inches.

Example Question #626 : Geometry

You can find the perimeter of a triangle if you know __________.

Possible Answers:

three side lengths

its angles

the height and base

the area

Correct answer:

three side lengths

Explanation:

Example Question #36 : Triangles

Screen_shot_2014-01-10_at_1.07.49_pm

What is the perimeter of the triangle?

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of a triangle, simply add all three sides together. 

Example Question #41 : Triangles

The perimeter of an isosceles triangle is 22 mm. Which choice shows the correct side lengths of the triangle?

Possible Answers:

Correct answer:

Explanation:

An isosceles triangle has two equal sides, and one different side. All of the answer choices add up to 22 mm, but only one choice shows two equal sides and one different side that add up to 22mm.

Example Question #42 : Triangles

An equilateral triangle is a type of triangle that has sides that are each of the same length. If one of the sides of an equilateral triangle is  units long, what is the perimeter of the triangle?

Possible Answers:

 units

 units

 units

 units

 units

Correct answer:

 units

Explanation:

Since an equilateral triangle has three equal sides, the total perimeter of the triangle is  units, since each side is  units long and .

Example Question #43 : Triangles

A triangle has sides of three different lengths. One of its sides is  units long. Another of its sides is  units long. The third side is of a length that is the average of its other two sides. What is the perimeter of this triangle?

Possible Answers:

Correct answer:

Explanation:

We know two of the lengths of the triangle's sides:  and . We are also told that its third side's length is an average of its other two sides. We can find the average of  and  by adding them together and dividing by two:  and , so the triangle's third side has a length of . We can now find the perimeter of the triangle by adding up the lengths of its sides: , so the perimeter of the triangle is .

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