SSAT Upper Level Math : Geometry

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

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Example Questions

Example Question #6 : How To Find The Area Of An Acute / Obtuse Triangle

The height of a triangle is , and the base is . In terms of , what is the area of the triangle?

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the area of a triangle:

Now, substitute in  for the base and  for the height.

The area of the triangle is .

Example Question #7 : How To Find The Area Of An Acute / Obtuse Triangle

The height of a triangle is , and the base of the triangle is . In terms of , what is the area of the triangle?

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the area of a triangle:

Now, substitute in  for the base and  for the height.

The area of the triangle is .

Example Question #8 : How To Find The Area Of An Acute / Obtuse Triangle

The height of a triangle is , and the base is . What is the area of the triangle?

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the area of a triangle:

Now, substitute in  for the base and  for the height.

The area of the triangle is .

Example Question #11 : How To Find The Area Of An Acute / Obtuse Triangle

The height of a triangle is , and the base is . In terms of , what is the area of the triangle?

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the area of a triangle:

Now, substitute in  for the base and  for the height.

The area of the triangle is .

Example Question #82 : Acute / Obtuse Triangles

The base of a triangle is  inches, and the height of the triangle is  inches. In terms of , what is the area of the triangle?

Possible Answers:

 

 

 

 

Correct answer:

 

Explanation:

Find the area of the triangle by using the formula .

Now, substitute in  for the base and  for the height. 

Don't forget to include the units,  

Example Question #173 : Properties Of Triangles

The base of a triangle is , and the height of the triangle is . If the area of the triangle is , what is the value of ?

Possible Answers:

Correct answer:

Explanation:

Use the following formula to find the area of a triangle:

Now, substitute in  for the base,  for the height, and  for the area..

Use algebraic opertions to solve for x.

Example Question #174 : Properties Of Triangles

The height of the triangle is , and the base of the triangle is . If the area of the triangle is , what is the value of ?

Possible Answers:

Correct answer:

Explanation:

Use the formula for the area of a triangle.

Substitute in  for height,  for the base, and  for the area.

From here, use algebraic operations to isolate d on one side and all other numbers on the other side.

Example Question #491 : Grade 8

A car dealership wants to fill a large spherical advertising ballon with helium. It can afford to buy 1,000 cubic yards of helium to fill this balloon. What is the greatest possible diameter of that balloon (nearest tenth of a yard)?

Possible Answers:

Correct answer:

Explanation:

The volume of a sphere, given its radius, is 

Set , solve for , and double that to get the diameter.

The diameter is twice this, or 12.4 yards.

Example Question #492 : Grade 8

The diameter of a sphere is . Give the volume of the sphere in terms of .

Possible Answers:

Correct answer:

Explanation:

The diameter of a sphere is  so the radius of the sphere would be 

 

The volume enclosed by a sphere is given by the formula:

 

 

 

Example Question #493 : Grade 8

A spherical balloon has a diameter of 10 meters. Give the volume of the balloon.

Possible Answers:

Correct answer:

Explanation:

The volume enclosed by a sphere is given by the formula:

where  is the radius of the sphere. The diameter of the balloon is 10 meters so the radius of the sphere would be meters. Now we can get:

 

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