A triangle has two sides of length 13 and 12. What is the smallest possible whole-number length for the third side?

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What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

20 da is equal to a. 2,000 cm. b. 2 m. c. 20,000 cm. d. 20,000 mm

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut