At the afternoon matinee movie, 3 adult tickets and 5 child tickets cost $46, and 6 adult tickets and 3 child tickets cost $57.
1 answer:
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Answer:
Step-by-step explanation:
This parallelogram contains a right angle. This tells us that the parallelogram is a rectangle.
The diagonals in a parralelogram bisect each other.
The diagonals in a rectangle are congruent.