bemrunner
bemrunner bemrunner
  • 26-05-2017
  • Mathematics
contestada

Sarah’s new computer screen is 21 inches wide and the diagonal is 29 inches long. What is the height of the screen?
A.15 in
B.18 in.
C.20 in.
D.28 in.

Respuesta :

lolgal555
lolgal555 lolgal555
  • 26-05-2017
a^2 + b^2 = c^2 (qudratic formula)
21^2 + h(height)^2 = 29^2
441 + h^2 = 841
h^2 = 400
h = 20

C
Answer Link
SillyGeese
SillyGeese SillyGeese
  • 22-03-2021

Answer:

20 in.

This is also C

Step-by-step explanation:

Answer Link

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