Respuesta :

√b = 17.17 - 12.12

√b= 289 - 144

√b= 145

b= √145

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➷ Use Pythagoras' theorem:

b^2 = c^2 - a^2

Substitute in the values:

b^2 = 17^2 - 12^2

b^2 = 289 - 144

b^2 = 145

Square root it:

b = 12.04159458

The answer is 12.0

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➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

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