Rewrite the statements below in conditional (“If …, then …”) form.

1. ​All equilateral triangles have $120^\circ$ rotation symmetry.

   Answer (a):

   If a shape is an equilateral triangle, then it has $120^\circ$ rotation symmetry.

2. A rectangle is a parallelogram.

   Hint (b):

   See the hint above.

3. The area of a trapezoid is half the sum of the bases multiplied by the height.

   Hint (c):

   See the hint above.