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Simora [160]
3 years ago
14

Explain the distance formula. Then use it to calculate the distance between A(1,1) and B(7,-7).

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
3 0
The distance formula:
d= \sqrt{ (x_{2} - x_{1}) ^{2}+ (y_{2}  -y_{1}) ^{2} }


A(1,1)    B(7,-7)

d= \sqrt{ (7 - 1) ^{2}+ (-7  -1) ^{2} }

d= \sqrt{ (6) ^{2}+ (-8) ^{2} }

d= \sqrt{ 36 + 64 }

d= \sqrt{ 100 }

d=10


The answer is 10

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