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Whitepunk [10]
3 years ago
10

I’ll mark brainliest!!!! What is the length of BC in the right triangle below?

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
4 0

Answer:

E. 15

Step-by-step explanation:

Use the Pythagorean theorem: a²+b²=c²

  • 9²+ 12²= c²  (This is the info we have so far.)

  • 81 + 144 = c² (Simplify. 9² = 81 ; 12² = 144)

  • 225 = c² (Added 81 + 144 = 225)

  • √225 = 15 (Square root of 225 is 15.)
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