Plane Geometry
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SSAT Elementary Level Quantitative › Plane Geometry
What is the perimeter of a square that has a side measuring 1 inch in length?
Explanation
Perimeter is the sum of all the sides. For a square,
Therefore, for this square,
What is the area of the rectangle?
Explanation
We can find the area by counting the squares within the rectangle. There are 
We can also multiply the length and the width to find the area.
*Area is the number of square units inside a shape, which is why area is always written with square units.
What is the area of the rectangle?
Explanation
We can find the area by counting the squares within the rectangle. There are
We can also multiply the length and the width to find the area.
*Area is the number of square units inside a shape, which is why area is always written with square units.
Annie has a piece of wallpaper that is 
Explanation
This problem asks us to calculate the amount of space that the wallpaper will cover. The amount of space that something covers can be described as its area. In this case area is calculated by using the formula
The rectangle is made up of 
If each of the small boxes in the figure below measures 1 in by 1 in, what is the area of the entire shape?
Explanation
We can count the number of squares within the shape to find the area.
There are 
*Area is the number of square units inside a shape, which is why area is always written with square units.
What is the perimeter of a square that has a side measuring 1 inch in length?
Explanation
Perimeter is the sum of all the sides. For a square,
Therefore, for this square,
What is the perimeter of the rectangle below?
Explanation
The formula for perimeter of a rectangle is
To solve for the perimeter we can plug our known values into the equation.
What is the area of the rectangle?
Explanation
We can find the area by counting the squares within the rectangle. There are 
We can also multiply the length and the width to find the area.
*Area is the number of square units inside a shape, which is why area is always written with square units.
What is the area of the rectangle?
Explanation
We can find the area by counting the squares within the rectangle. There are 
We can also multiply the length and the width to find the area.
*Area is the number of square units inside a shape, which is why area is always written with square units.
The rectangle is made up of
If each of the small boxes in the figure below measures 1 in by 1 in, what is the area of the entire shape?
Explanation
We can count the number of squares within the shape to find the area.
There are
*Area is the number of square units inside a shape, which is why area is always written with square units.