Question: How do you constrain the Rectangle and Ellipse tools so they draw only squares or circles?

1. Hold down the Shift key while dragging the selection handle.
2. Hold down the Ctrl key while dragging the selection handle.
3. Hold down the Tab key while dragging the selection handle.
4. Hold down the Shift key while dragging the selection handle.

Answer: The correct answer of the above question is Option A:Hold down the Shift key while dragging the selection handle.