Sasha has a triangle with vertices A, B, and C. The triangle has three congruent angles. She wants to show that triangle ABC has three congruent sides, but she does not have a ruler to measure the lengths of the sides. How can she show that the triangle has three congruent sides?
One aquarium is 12 inches long, another is 15 inches long, and a third is 18 inches long. They are all 18 inches deep and 12 inches wide. Which aquarium can hold exactly 3,240 cubic inches of water?
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