Triangle in a Quadrilateral
Given the ratio of a quadrilateral’s length to width, find the ratio of the area of a special shaded region to the area of the quadrilateral.
Author Archive for: corrill
Entries by InterMath
Minimum Perimeters
Find the minimum perimeter for a rectangle with a given area.
Penning for Pony
What are the dimensions of the largest rectangular pen Ted can make for his pony?
Tripling Perimeter
Find the length and width of a rectangle.
Rectangular Percents
Compare a rectangle’s area when its length and width are changed.
Tri-Square Trios
Find pairs of triangular numbers whose sum is a square number.
Almost a Square
What rectangle can you form that is close in shape to a square?
Dividing Rectangles
Find the possible areas of a rectangle that is formed from a larger integral rectangle.
Rectangle Squares
Given the perimeter of a rectangle, find its area.
Water Stop
How far does Paul walk to get a drink of water?