Claire141
Claire141
13-04-2017
Mathematics
contestada
Find the missing length
Respuesta :
Аноним
Аноним
13-04-2017
b^2 = c^2 - a^2
b^2 = 20^2 - 13^2
b^2 = 400 - 169
b^2 = 231
b= square root 231
b = 15.2
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