Geometry

Help Questions

SSAT Elementary Level Quantitative › Geometry

Questions 1 - 10

If the area of a square is , what is the perimeter of the square?

Explanation

Write the formula for the area of a square and substitute the area. The side length is needed to find the perimeter.

$s=\sqrt{100}=10$

There are sides in a square.

How many squares make up the rectangle?

Screen shot 2015 09 09 at 12.50.20 pm

Explanation

When we count the squares, there are squares that make up the rectangle.

Find the perimeter of an equilateral triangle with side length 1.

$\frac{1}{2}$

Explanation

To solve, simply use the formula for the perimeter of an equilateral triangle. Thus,

Remember, the special property of an equilateral triangle is that all of its sides are the same length so, you can either add the side length 3 times or multiply it by 3.

Find the area of a rectangle whose width is 5 and length is 7.

Explanation

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

How many squares make up the rectangle?

Screen shot 2015 09 09 at 12.50.20 pm

Explanation

When we count the squares, there are squares that make up the rectangle.

How many squares make up the rectangle?

Screen shot 2015 09 09 at 12.48.10 pm

Explanation

When we count the squares, there are squares that make up the rectangle.

Annie has a piece of wallpaper that is by . How much of a wall can be covered by this piece of wallpaper?

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 $A=l \times w$