Question

question 3 of 10
some rectangles are not parallelograms.
a. true
b. false

Explanation:

Step1: Define parallelogram

A quadrilateral with opposite sides parallel.

Step2: Define rectangle

A quadrilateral with 4 right angles; opposite sides parallel.

Step3: Relate rectangle and parallelogram

All rectangles have opposite sides parallel, so all are parallelograms.

Answer:

B. False