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

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

22-03-2021

Answer:

20 in.

This is also C

Step-by-step explanation:

Answer Link

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