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Delicious77 [7]

3 years ago

6

I’m so confused I need help please!!

2 answers:

shutvik [7]3 years ago

6 0

Answer:

5. 9 8. $2\sqrt{10}$

Step-by-step explanation:

a²+b²=c²

so for #5 12²+b²=15²

144+b²=225 (subtract 144 from both sides)

b²=81

b=9

For #8

9²+b²=11²

81+b²=121 (subtract 81 from both sides)

b²=40

b= $\sqrt{40}$

$\sqrt{40}$ =

$2\sqrt{10}$

spayn [35]3 years ago

6 0

What they said !!!!!!!^

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