doe69902 doe69902

22-03-2019
Mathematics

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What is the value of x?

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x =

What is the value of x Enter your answer in the box x class=

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jimrgrant1 jimrgrant1

22-03-2019

Answer:

x = 5

Step-by-step explanation:

Applying Pythagoras' identity to the right triangle

x² + 12² = 13²

x² + 144 = 169 ( subtract 144 from both sides )

x² = 25 ( take the square root of both sides )

x = [tex]\sqrt{25}[/tex] = 5

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