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Mathematics 9 Online
OpenStudy (spyro517):

Medal+Fan.Determine if triangle ABC with coordinates A (0, 2), B (2, 5), and C (−1, 7) is an isosceles triangle. Use evidence to support your claim. If it is not an isosceles triangle, what changes can be made to make it isosceles? Be specific

OpenStudy (amriju):

do you know how to find distance between two points?

OpenStudy (spyro517):

you use the distance formula to find the length how far apart they are correct?

OpenStudy (amriju):

yup..:)

OpenStudy (amriju):

so find the distance between AB, BC, CA..see if any two are equal. and also check that that the sum of two sides is greater than the third side

OpenStudy (spyro517):

A and B are similar

OpenStudy (spyro517):

well AB and BC

OpenStudy (spyro517):

the sum is equal

OpenStudy (spyro517):

now what?

OpenStudy (amriju):

its isoceles dude...isoceles triangles have two equal sides

OpenStudy (triciaal):

A triangle has 3 sides. If two of the sides are equal in length then it is classified as an isosceles triangle.

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