arcarrejo arcarrejo
  • 13-01-2017
  • Mathematics
contestada

Find an integer, x, such that 2, 4, and x represent the lengths of the sides of an obtuse triangle.

Respuesta :

bcalle
bcalle bcalle
  • 13-01-2017
a^2 + b^2 < c^2 for the triangle to be obtuse
2^2 + 4^2 < x^2
4 + 16 < x^2
20 < x^2
sqrt 20 = 4.7 approx 5
x needs to be greater than or equal to 5 for the triangle to be obtuse.
4 + 16 < 25
20 < 25

Answer Link

Otras preguntas

Which choice explains one way to correct a relative clause​ fragment? A. change the fragment into a dependent clause B. reword the fragment to make it an indepe
Static stretches are part of an effective cool down because they can help
What are four methods of determining population size?
i need a answer fast please!
Revising involves A. checking for spelling errors. B. checking for punctuation errors. C. checking for content clarity and coherency. D. checking the pa
What is the difference between tocopherols and tocotrienols?
Which action best illustrates mohandas gandhi's concept of civil disobedience?
(^5sqrt x^7)^3 show step by step how to do it
NEED HELP!! How many hydrogen atoms could bond with oxygen? picture is below! Thank you!!
what would a utopian socialist not support