2012 AMC 10A Problem 2

Problem 2 of 25EasierGeometry

A square with side length

8

is cut in half, creating two congruent rectangles. What are the dimensions of one of these rectangles?

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Solution

Note that the one of the sides remains the same as the original square. This means that one dimension is

8.

The other dimension is the original side cut in half, which is

4.

Thus, E is the correct answer.

Concepts: square (geometry) · rectangle

Problem text and solution from the LIVE past-contest archive. See also the AoPS wiki page for community solutions.