Question

Students in Carla's class were trying to write different definitions for a rectangle. Billy said that a parallelogram with one right angle must also be a rectangle. If you agree that Billy's def...

A. Billy's definition is correct.
B. Billy's definition is incorrect.
C. A parallelogram with one right angle is always a rectangle.
D. A rectangle cannot have a right angle.

Answer 1

Billy's definition is incorrect because not all parallelograms with one right angle are rectangles.

Step-by-step explanation:

Billy's definition is incorrect. While a parallelogram with one right angle is a special type of parallelogram called a rectangle, not all parallelograms with one right angle are rectangles. A rectangle is a quadrilateral with four right angles. So, a rectangle must have four right angles, not just one.