fofanaj44
fofanaj44
19-02-2019
Mathematics
contestada
anyone know can you help me ? please
Respuesta :
chloepenney
chloepenney
19-02-2019
For a 45 45 90 angle triangle (special triangle)
X would be 7 √2 = around 9.9
Another way of doing it is:
7^2 + 7^2 = AB^2
49 + 49 = 98
AB = square root of 98 = around 9.9
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