All Basic Geometry Resources
Example Questions
Example Question #191 : Quadrilaterals
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #602 : Plane Geometry
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #603 : Plane Geometry
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #604 : Plane Geometry
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #51 : How To Find The Area Of A Rectangle
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #602 : Plane Geometry
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #53 : How To Find The Area Of A Rectangle
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #54 : How To Find The Area Of A Rectangle
If the perimeter of a rectangle is , and the width of the rectangle is , what is the area of the rectangle?
Recall how to find the perimeter of a rectangle:
Since we are given the width and the perimeter, we can solve for the length.
Substitute in the given values for the width and perimeter to find the length.
Simplify.
Solve.
Now, recall how to find the area of a rectangle.
Substitute in the values of the length and width to find the area.
Solve.
Example Question #601 : Basic Geometry
A rectangle has a width of , and a lenth of . Find the perimeter.
To find perimeter, you add the sides of the rectangle together. In this case, that would be:
Example Question #602 : Basic Geometry
Find the area of a rectangle given length 7 and width 8.
To solve, simply use the formulaf or the area of a rectangle. Thus,