SSAT Elementary Level Math : Plane Geometry

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

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Example Questions

Example Question #5762 : Ssat Elementary Level Quantitative (Math)

Why is this shape a triangle?

 Screen shot 2015 07 21 at 2.50.59 pm

Possible Answers:

Because its color is blue

Because the  sides do not connect

Because it is smaller than a square

Because it has  sides

Because it has  sides

Correct answer:

Because it has  sides

Explanation:

A triangle has  sides.

Example Question #5763 : Ssat Elementary Level Quantitative (Math)

Find the area of a triangle with base 4 and height 7.

Possible Answers:

Correct answer:

Explanation:

To solve, simply use the formula for the area of a triangle. Thus,

To remember this formula, simply realize that two triangles added together would leave you with a rectangle, so a triangle's area must be half the area of a rectangle.

Example Question #24 : How To Find The Area Of A Triangle

Find the area of the triangle shown below:

Screen shot 2015 11 03 at 3.24.38 pm

Possible Answers:

Correct answer:

Explanation:

The area of a triangle can be expressed by the formula

 ,

or base times height divided by 2. 

Example Question #25 : How To Find The Area Of A Triangle

Use the following to answer the question.

Triangle3

Find the area of the triangle if the height is twice the length of the base.

Possible Answers:

Correct answer:

Explanation:

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

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

 

So, using the triangle

Triangle3

we can see that the base is 5cm.  The problem also stated that the height is twice (or two times) the length of the base.  So, the height is 10cm ( 2x5cm ). Knowing this, we can substitute into the formula.  We get

Example Question #614 : Geometry

Find the area of a triangle.

What is the area of a triangle with a base of 10cm and a height of 5cm?

Possible Answers:

Correct answer:

Explanation:

First you must understand that the area of a triangle is  base times height. 

Example Question #615 : Geometry

Find the area of the triangle.

What is the area of the triangle with a base of 4cm and a height of 14cm.

Possible Answers:

Correct answer:

Explanation:

First you must understand that area of a triangle is  base times height. 

Example Question #613 : Geometry

Find the area of a triangle with a base of 8in and a height of 12in.

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 base of the triangle is 8in.  We also know the height of the triangle is 12in.

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

Example Question #614 : Geometry

Find the area of a triangle with a base of 6in and a height that is three times the base.

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 base of the triangle is 6in.  We also know the height of the triangle is three times the base.  Therefore, the height is 18in. 

Now, we can substitute.  We get

Example Question #5771 : Ssat Elementary Level Quantitative (Math)

What two shapes can you find in this shape?

Screen shot 2015 07 24 at 11.12.33 am

Possible Answers:

A rectangle and a triangle

A triangle and a square

A triangle and a triangle

A square and a square

Correct answer:

A triangle and a triangle

Explanation:

Screen shot 2015 07 24 at 11.15.16 am

Example Question #613 : Plane Geometry

If one side of an equilateral triangle is 6, what is the perimeter of the triangle?

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of any triangle you will need to add up all the sides.  For this triangle, you will add  since an equilateral triangle has 3 congruent sides.

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