SSAT Middle Level Math : Geometry

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

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Example Questions

Example Question #126 : Quadrilaterals

Rectangles

Note: Figure NOT drawn to scale.

Refer to the above diagram. Give the ratio of the perimeter of the large rectangle to that of the smaller rectangle.

Possible Answers:

The correct answer is not given among the other choices.

Correct answer:

Explanation:

Opposite sides of a rectangle are congruent.

The large rectangle has perimeter

.

The smaller rectangle has perimeter

.

The ratio is

; that is, 12 to 5.

Example Question #11 : How To Find The Perimeter Of A Rectangle

What is the perimeter of a rectangle with a width of 3 and a length of 10?

Possible Answers:

26

13

30

12

60

Correct answer:

26

Explanation:

The formula for the perimeter of a rectangle is \dpi{100} Perimeter=2l+2w.

Plug in our given values to solve:

\dpi{100} Perimeter = 2(20)+2(3)

\dpi{100} Perimeter = 20+6

\dpi{100} Perimeter = 26

Example Question #12 : How To Find The Perimeter Of A Rectangle

Rectangle ABCD has an area of .  If the width of the rectangle is , what is the perimeter?

Possible Answers:

Correct answer:

Explanation:

The area of a rectangle is found by multiplying the length times the width.  The question tells you the width is  and the area is .  

Thus the length is 8. .

To find the perimeter you add up all of the sides.  

 

Example Question #13 : How To Find The Perimeter Of A Rectangle

If the perimeter of a rectangle is  inches and the width is  inches, what is the length?

Possible Answers:

Correct answer:

Explanation:

The perimeter of a rectangle is represented by the following formula, in which W represents width and L represents length:

Given that the width is  inches and that the perimeter is  inches, the following applies:

Next, subtract  from each side.

Now, divide each side by .

This gives us

Example Question #303 : Ssat Middle Level Quantitative (Math)

A rectangle has an area of . The length of each side is a whole number. What is NOT a possible value for the rectangle's perimeter? 

Possible Answers:

Correct answer:

Explanation:

Since each side is a whole number, first find the whole number factors of . They are  and ,  and ,  and , and  and . These sidelengths correspond to perimeters of , , , and , respectively. Thus,  is answer. 

Example Question #131 : Quadrilaterals

Rectangle

Give the perimeter of the above rectangle in centimeters, using the conversion factor  centimeters per yard.

Possible Answers:

Correct answer:

Explanation:

The perimeter of the rectangle is  yards. To convert this to centimeters, multiply by the given conversion factor:

 centimeters.

Example Question #312 : Ssat Middle Level Quantitative (Math)

Find the perimeter of the rectangle shown below

Screen shot 2015 11 10 at 9.55.29 pm

Possible Answers:

Correct answer:

Explanation:

The perimeter of a rectangle, or any shape, is the distance around the outside. You add up the length of each side to find this number. The coordinates of the points are . You need to find the distance between each point. The short side is  units, and the longer side is  units. 

Example Question #241 : Geometry

Steve's bedroom measures 20' by 18' by 8' high. He wants to paint the ceiling and all four walls using a paint that gets 360 square feet of coverage per gallon. A one-gallon can of the paint Steve wants costs $36.00; a one-quart can costs $13.00. What is the least amount of money that Steve can expect to spend on paint in order to paint his room?

Possible Answers:

Correct answer:

Explanation:

Two of the walls have area ; two have area ; the ceiling has area 

Therefore, the total area Steve wants to cover is 

Divide 968 by 360 to get the number of gallons Steve needs to paint his bedroom:

Since , Steve needs to purchase either two gallon cans and three quart cans, or three gallon cans. 

The first option will cost him ; the second option will cost him . The latter is the more economical option.

Example Question #1 : How To Find The Area Of A Rectangle

Rectangle

Give the area of the rectangle in the above diagram.

Possible Answers:

Correct answer:

Explanation:

The area of a rectangle is the product of its length and its height:

The rectangle has a perimeter of 80.64 square centimeters.

Example Question #2 : How To Find The Area Of A Rectangle

 

Rectangle

Give the area of the rectangle in the above diagram.

Possible Answers:

Correct answer:

Explanation:

The area of a rectangle is the product of its length and its width:

The area of the rectangle is 42 square inches.

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