Which among the following figures would be formed after folding the figure along the dotted line?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) →

Folding the lower half up along the dotted line turns everything on it upside down over the upper half. The lower triangle's slanting side runs down from left to right, so after the fold it runs up from left to right, the same way as the upper triangle's: the folded sheet shows one rectangle with a ‘/’ line in each half.