### Home > MC1 > Chapter 5 > Lesson 5.1.1 > Problem 5-4

5-4.

Refer to the Math Notes box above. Make sure your rectangle does not have 4 sides of equal length.

Refer to the Math Notes box above. Make sure your parallelogram does not have 4 right angles.

5-4.

Refer to the Math Notes box above. Make sure your rectangle does not have 4 sides of equal length.

Refer to the Math Notes box above. Make sure your parallelogram does not have 4 right angles.