The length of two sides of a triangle are 10 cm and 8 cm which measure cannot be the length of the third side of the triangle

Mathematics

2 answers:

erik [133]3 years ago

6 0

I think the 3rd side is 6

koban [17]3 years ago

3 0

Answer:

Triangle inequality theorem:

10 + 8 > x ⇒ x < 18
10 + x > 8 ⇒ x > -2
8 + x > 10 ⇒ x > 2

Combined the inequality is:

2 < x < 18

The length of the third side can't be 2 or smaller or 18 or greater

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Multiply the first equation by 5 to get
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Now you can eliminate x by subtracting the first equation from the second
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3 years ago

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Paul [167]

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jeyben [28]

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