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- Thread starter cecilia_p
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Think about "sides of a triangle". What is possible and not possible there?if the sides in a parallelogram are 3 cm and 5 cm can the diagonal in the parallelogram be 10 cm? 8 cm? 4 cm? why?

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Make a sketch. Can you have a triangle with a sides 3 cm and 5 cm with a diagonal of 10 cm? What would the triangle have to look like?if the sides in a parallelogram are 3 cm and 5 cm can the diagonal in the parallelogram be 10 cm? 8 cm? 4 cm? why?

-Dan

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Do you know as well as understand the triangle inequality?if the sides in a parallelogram are 3 cm and 5 cm can the diagonal in the parallelogram be 10 cm? 8 cm? 4 cm? why?

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- Feb 18, 2022

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Do you know as well as understand the triangle inequality?

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Forget all the theory. Get out a pen and a ruler and try to draw them!

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Why would s/he need to draw anything when the answer is obvious from the final (Forget all the theory. Get out a pen and a ruler and try to draw them!

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It could be the case that no pen and ruler are allowed, think an

The question is clearly testing the concept of

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You're Old-Fashioned.

But your advice is always purr-dy good.

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Yeah sure but if the poster can post on a math help site, they surely have access to a pen and ruler.It could be the case that no pen and ruler are allowed, think antype test.ACT

The question is clearly testing the concept ofthe triangle inequality.