Emilyramos2903
Emilyramos2903 Emilyramos2903
  • 12-05-2017
  • Mathematics
contestada

What is the length of the diagonal of a rectangle whose width is 90 cm and whose length is 200 cm?

Respuesta :

jessieg jessieg
  • 12-05-2017
219.32 cm is the answer
Answer Link
mjankiewicz
mjankiewicz mjankiewicz
  • 12-05-2017
a = 200 cm = 2 m 
b = 90 cm = 0,9 m
d = ? (m)

Pythagorean theorem
[tex]a^2+b^2=d^2[/tex]
 [tex]{d=\sqrt{a^2+b^2}=\sqrt{2^2+(0.9)^2}=\sqrt{4+0.81}=\sqrt{4.81}=2.19317 ...(m) \ \approx 219, 32 \ (cm)}[/tex]
Answer Link

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