SSAT Middle Level Math : SSAT Middle Level Quantitative (Math)

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

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Example Questions

Example Question #4 : Area Of A Triangle

A triangle has a height of 9 inches and a base that is one third as long as the height. What is the area of the triangle, in square inches?

Possible Answers:

None of these

Correct answer:

Explanation:

The area of a triangle is found by multiplying the base times the height, divided by 2. 

Given that the height is 9 inches, and the base is one third of the height, the base will be 3 inches.

We now have both the base (3) and height (9) of the triangle. We can use the equation to solve for the area.

The fraction cannot be simplified.

Example Question #51 : Geometry

The hypotenuse of a right triangle is  feet; it has one leg  feet long. Give its area in square inches.

Possible Answers:

Correct answer:

Explanation:

The area of a right triangle is half the product of the lengths of its legs, so we need to use the Pythagorean Theorem to find the length of the other leg. Set :

The legs have length  and  feet; multiply both dimensions by  to convert to inches:

 inches

 inches.

Now find half the product:

Example Question #101 : Geometry

What is the area (in square feet) of a triangle with a base of  feet and a height of  feet?

Possible Answers:

Correct answer:

Explanation:

The area of a triangle is found by multiplying the base times the height, divided by

 

Example Question #11 : Triangles

What is the area of a triangle with a base of  and a height of ?

Possible Answers:

Correct answer:

Explanation:

The formula for the area of a triangle is \dpi{100} Area=\frac{1}{2}\times base\times height.

Plug the given values into the formula to solve:

\dpi{100} Area=\frac{1}{2}\times 12\times 3

\dpi{100} Area=\frac{1}{2}\times 36

\dpi{100} Area=18

Example Question #15 : How To Find The Area Of A Triangle

Right triangle 2

Give the perimeter of the above triangle in feet.

Possible Answers:

Correct answer:

Explanation:

The perimeter of the triangle - the sum of the lengths of its sides - is

 inches. 

Divide by 12 to convert to feet:

As a fraction, this is  or  feet,

Example Question #11 : Plane Geometry

Rectangles 3

The above diagram shows Rectangle , with midpoint  of .

The area of  is 225. Evaluate 

Possible Answers:

Correct answer:

Explanation:

 is the midpoint of , so  has as its base ; its  height is 

Its area is half their product, or 

Set this equal to 225:

.

Example Question #17 : Plane Geometry

Find the area of a triangle with a height of 12in and a base that is half the height.

Possible Answers:

Correct answer:

Explanation:

To find the area of a triangle, we will use the following formula:

where b  is the base and h is the height of the triangle.

 

Now, we know the height of the triangle is 12in.  We also know the base of the triangle is half of the height.  Therefore, the base of the triangle is 6in.  

So, we can substitute.  We get

Example Question #21 : Plane Geometry

Find the area of the triangle below

Screen shot 2015 11 10 at 9.45.10 pm

Possible Answers:

Correct answer:

Explanation:

The equation for area of a triangle is 

.

In this case the coordinates of the base are , which means the length of the base is .

The coordinates of the side that determines the height are .

Therefore the height is 

.

Example Question #1 : How To Find Perimeter Of A Triangle

The perimeter of an isosceles triangle is 18.  What is a possible list of the lengths of the sides?

Possible Answers:

Correct answer:

Explanation:

Since it is isosceles, 2 of the sides must be equal.  They must also add to 18. 

Example Question #2 : How To Find Perimeter Of A Triangle

An equilateral triangle has perimeter 8 feet 6 inches. How long is one side?

Possible Answers:

3 feet 4 inches

3 feet 2 inches

2 feet 2 inches

2 feet 6 inches

2 feet 10 inches

Correct answer:

2 feet 10 inches

Explanation:

One foot is equal to 12 inches, so the perimeter 8 feet 6 inches is equal to  inches.

An equilateral triangle has three sides of equal measure, so divide its perimeter by 3:

To convert 34 inches to feet and inches:

One side measures 2 feet 10 inches.

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