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OpenStudy (anonymous):
will medal for best awnser.
How many triangles can be constructed with side lengths of 7 cm, 10 cm, and 18 cm?
A.
0
B.
1
C.
2
D.
an infinite number
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OpenStudy (anonymous):
@mathsciencehistory
OpenStudy (anonymous):
@bibby @inowalst @undeadknight26 @welshfella @Data_LG2
OpenStudy (anonymous):
what do you think it is
OpenStudy (anonymous):
i believe B
OpenStudy (welshfella):
for a triangle to be drawn the sum of any 2 sides must be greater than the third side
do the values in your question numbers fit this requirement/
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OpenStudy (anonymous):
no
OpenStudy (anonymous):
so a?
OpenStudy (anonymous):
im not sure
OpenStudy (welshfella):
17 + 10 = 17
the other side is 18
OpenStudy (anonymous):
welshfella , do you mean that a triangle cannot have three sides with 2cm each
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OpenStudy (welshfella):
No 2+2 > 2
so that is a triangle
OpenStudy (anonymous):
wait what?
OpenStudy (welshfella):
what?
OpenStudy (anonymous):
i dont understnad
OpenStudy (welshfella):
oops i should have said 7 + 10 not 17
+ 10!!
2 sides are 7 and 10
7 + 10 = 17
- and the 3rd side is 18
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OpenStudy (anonymous):
sorry someone beat you to it but thanks for the help its 0
OpenStudy (welshfella):
yes
OpenStudy (welshfella):
that's ok - you understand the concept, though?
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