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10-11-2017
Mathematics

contestada

A triangle has two sides of lengths 7 and 9. What value could the length of the third side be?Check all that apply.

A.8
B.5
C.10
D.2
E.13
F.22

Respuesta :

dannielle dannielle

10-11-2017

a=9
b=7
c>a-b
c>2

c<a+b
c<7+9
c<16
⇒c∈(2,16)
⇒ The correct answer is A,B,C,E

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