If three angles are sizes 56°, 89°, and 17°.
Is it possible that these angles are in a triangle?
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If three angles are sizes 56°, 89°, and 17°.
Is it possible that these angles are in a triangle?
Let's calculate the sum of the angles to see what total we get in this triangle:
The sum of angles in a triangle is 180 degrees, so this sum is not possible.
Impossible.
Fill in the blanks:
In an isosceles triangle, the angle between two ___ is called the "___ angle".
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