can someone please help
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9514 1404 393
Answer:
C. √15 units
Step-by-step explanation:
The Pythagorean theorem tells you of the relationship between the sides and diagonal of the rectangle:
8² = 7² +?²
64 = 49 + ?²
15 = ?² . . . . . .subtract 49
? = √15 . . . . . take square roots