Which expression can be used to find the sum of the polynomials?(9 – 3x2) + (–8x2 + 4x + 5)
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Answer:
Step-by-step explanation:
Hello,
Answer:
U ={ Parallelograms}
A= { Parallelogram with four congruent sides}={ Rhombus,Square}
B ={ Parallelograms with four congruent angles} ={ Rectangle, Square}
So, AB= { Square}
So among all the parallelograms "Square" is the only parallelogram which has all congruent sides as well as all congruent angles.
