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Mathematics 40 Online
OpenStudy (anonymous):

Nick has a small triangular shaped lawn. What could be the lengths of the three sides of the lawn? 20m, 30m, 55m 30m, 40m, 75m 20m, 30m, 40m 30m, 40m, 70m

OpenStudy (lgbasallote):

apply this rule: a+ b > c a + c > b b + c > a let's look at A. 20 + 30 > 55? 50 is not greater than 55 so that cant be the answer.. look at B. 30 + 40 > 75? 70 is not greater than 75 so that's not the answer either

OpenStudy (lgbasallote):

do you get where im going?

OpenStudy (anonymous):

yes, at first i was just trying to do a sq. + b sq. + c sq.. but doesnt that just work with right triangles

OpenStudy (anonymous):

ah, its the last one right because 40 and 30 equal 70

OpenStudy (lgbasallote):

nope..like i said it should be greater than

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