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A triangle has side lengths of 17 cm and 7 cm. Which could be the value of the third side, 28 cm or 19 cm?
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24 votes
24 votes
A triangle has side lengths of 17 cm and 7 cm. Which could be the value of the third side, 28 cm or 19 cm?

User Tupac
by
2.8k points

2 Answers

28 votes
28 votes

Answer:

19 cm me thinks

Step-by-step explanation:

it has to be equivalent to the other side

User Nuageux
by
3.0k points
14 votes
14 votes

Answer:

19 cm

Step-by-step explanation:

Triangle Inequality Theorem:

The sum of two side lengths of a triangle is always greater than the third side.

17+7> 19 17+7 IS NOT BIGGER THAN 28

17+19>7

7+19>17

User Anhoppe
by
3.1k points
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