3 years ago

Find the value of x. Round your answer to the nearest tenth. x 10 Blank 1:

1 answer:

4 0

Answer:

12.2

Step-by-step explanation:

By Pythagoras theorem:

${x}^{2} = {10}^{2} + {7}^{2} \\ {x}^{2} = 100 + 49 \\ {x}^{2} = 149 \\ x = \sqrt{149} \\ x = 12.2065556 \\ x \approx \: 12.2$

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