ECOTstudent65
ECOTstudent65 ECOTstudent65
  • 02-03-2017
  • Mathematics
contestada

Any geometry genius ?????

Any geometry genius class=

Respuesta :

apologiabiology
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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