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Mathematics 16 Online
OpenStudy (anonymous):

Select Yes or No for each question. Do the following sets of numbers create a triangle? 900 cm, 60 cm, 0.5 m (Yes or No) 12 m, 34 m, 40 m (Yes or No) 145 ft, 10 yd, 105 ft (Yes or No)

OpenStudy (anonymous):

i think its yes for all of them im not sure tho the first one could be a no

OpenStudy (anonymous):

alright lets see

OpenStudy (anonymous):

im sorry if its wrong

OpenStudy (anonymous):

lol its ok atleast u tried

OpenStudy (anonymous):

:( yea i stink at math but im tryin

OpenStudy (anonymous):

same here >.<

OpenStudy (stormfire1):

The only one that can be right is the second one.

OpenStudy (anonymous):

what so u mean

OpenStudy (stormfire1):

The only one that can be a real triangle is 12 m, 34 m, 40 m

OpenStudy (anonymous):

so it would be no yes no?

OpenStudy (stormfire1):

no yes no in order of the questions you posted

OpenStudy (anonymous):

thank you

OpenStudy (stormfire1):

You can check it yourself by either calculating it by hand or just plugging it into a triangle solver like this one: http://nayuki.eigenstate.org/page/triangle-solver-javascript

OpenStudy (anonymous):

can u help with 1 more question please

OpenStudy (stormfire1):

Maybe :)

OpenStudy (anonymous):

For a triangle with sides a, b and c, what is the range of the length of side c? a = 620, b = 1050, c = < c <

OpenStudy (stormfire1):

I've never been asked to give a range for a side...so I'm not sure how to do it honestly

OpenStudy (anonymous):

ok

OpenStudy (stormfire1):

This should help: http://regentsprep.org/Regents/math/geometry/GP7/LTriIneq.htm

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