ECOTstudent65
ECOTstudent65
02-03-2017
Mathematics
contestada
Any geometry genius ?????
Respuesta :
apologiabiology
apologiabiology
02-03-2017
geometric mean thing
4x/16=16/x since the 2 triangles are similar
times both sides by 16x
4x²=256
divide both sides by 4
x²=64
sqrt both sides
x=8
ok, so onter one
a²+b²=c²
(4x)²+16²=y²
(4*8)²+256=y²
(32)²+256=y²
1024+256=y²
1280=y²
sqrt both sides
√1280=y
answer is A
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