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melamori03 [73]
3 years ago
11

WILL MARK BRAINLIEST TO THE FIRST PERSON

Mathematics
2 answers:
WINSTONCH [101]3 years ago
6 0

Answer:

5

Step-by-step explanation:

7^2 = (2(6)^1/2)^2 + BC^2 (Pyth. theorem)

BC = 5

maxonik [38]3 years ago
5 0

Answer:

its supposed to be 6.08 but we can take of..08 so 6

Step-by-step explanation:

a + b = c \\ ( 2  \sqrt{6} )  {}^{2}   +  {b}^{2}  =  {7}^{2}  \\ 2 \times 6 +  {b}^{2}  = 49 \\  {b}^{2}  = 49 - 12 \\  {b }^{2}  = 37 \\  \sqrt{b}  {}^{2}  =  \sqrt{37}  \\ b = 6.08 \: or \: 6

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