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15-04-2020
Mathematics

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find the length of "a" using the pythagorean theorem.

find the length of a using the pythagorean theorem class=

Respuesta :

15-04-2020

Answer:

a = 12

Step-by-step explanation:

CB² + CA² = BA²

a² + 9² = 15²

a² + 81 = 225

a² = 144

a = 12

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