13-07-2021
Mathematics

contestada

Triangle A B C is a right triangle. Find the missing side length.
a = 12, b = ? , c = 15

Please answer becuase I’m having a really hard time lol Thanks!

Respuesta :

56emma1245 56emma1245

13-07-2021

Answer:

9

Step-by-step explanation:

a² + b² = c^2

12^2 + b^2 = 15^2

144 + b^ = 225

225 - 144= 81

b^2 = 81

square root both sides

b = 9

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