dulcedanielamartinez dulcedanielamartinez

16-12-2020
Mathematics

contestada

help me please!

I don't understand this:(

help me pleaseI dont understand this class=

Respuesta :

16-12-2020

Answer:

b=12

Step-by-step explanation:

9^2 + b^2 = 15^2 by the pythagorean theorem

81 + b^2 = 225

b^2 = 144

b = 12

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