Answer:
They are equal
Step-by-step explanation:
All the sides are equal, because you use the pythagoreon theorem to find out that all the sides are equal.
Answer:
-15
Step-by-step explanation:
(5)(−2)−(21−(3−11)(−2))
=−15
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The answer is 3, because the other two sides are 3 and the angle is 60, so the other angles will have to be 60. That means it is an equilateral triangle.
