CassiusDelaney
Nick has six sticks of the following lengths: 3 cm, 3 cm, 5 cm, 9 cm, 9 cm, 11 cm and 13 cm. How many different triangles can he make using three of these sticks?
(with the pictures of the triangles you made)
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zordoloom
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Are there options to this question?
zordoloom
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Is this a multiple choice question?
CassiusDelaney
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theres two pics just a sec
zordoloom
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k
CassiusDelaney
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and no you have to make them out of the sticks
CassiusDelaney
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|dw:1351584439004:dw|
zordoloom
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What does the picture have to do with this question?
CassiusDelaney
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just showing how to make the triangles...
zordoloom
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I'm still confused about the question. It states you have six sticks,, but you listed 7 lenghts
CassiusDelaney
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yeah you can mix them up
zordoloom
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so are there 7 or 6 sticks?
CassiusDelaney
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7
CassiusDelaney
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6****
sorry
CassiusDelaney
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there isnt two 9s
zordoloom
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3 cm, 3 cm, 5 cm, 9 cm, 9 cm, 11 cm and 13 cm. would that be 6 or 7 sticks.?
zordoloom
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oh, ok
CassiusDelaney
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yeah sorry
zordoloom
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Is this a multiple choice question?
campbell_st
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well one of the basics of triangles is that the sum of the 2 shorter sides must me greater than the longest side
so you can 3, 3, 5 3 + 3 > 5
but you can't have 3, 3, 9 as 3 + 3 is not greater than 9...
just keep working that way
you find the number of triangles you can make... its between 6 and 10