The two sides of the triangle are 5 and 8 at what values of the third side of the triangle will be obtuse.
| July 2, 2021 | education
To determine the type of triangle, we apply the Pythagorean theorem.
Let side c = 5 cm, b = 8 cm, a = X cm.
If a ^ 2> b ^ 2 + c ^ 2, then the triangle will be obtuse.
b ^ 2 + c ^ 2 = 64 + 25 = 89.
Then, if a> √89, then the triangle is obtuse.
Answer: The triangle will be obtuse if the third side is greater than √89
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