Question

all rectangles have four right angles. is this true of a parallelogram? always sometimes never

Explanation:

A parallelogram is a quadrilateral with two pairs of parallel sides. While rectangles are a special type of parallelogram with four right - angles, not all parallelograms have right - angles. There are parallelograms like rhombuses (where all sides are equal but angles are not right - angles) and general parallelograms with non - right angles. So a parallelogram sometimes has four right angles (when it is a rectangle).

Answer:

B. sometimes