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Yes. The three sides uniquely specify the triangle.
If all three sides are equal it is equilateral.
If only two are equal it is isosceles.
If none are equal it is scalene.
If the sum of the squares of the two shorter lengths is equal to the square of the longest length, it is a right angled triangle.
If the sum of the squares on the two shorter sides is less than the square on the longest, it is an obtuse angled triangle. Otherwise it is an acute triangle.
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How many sides does a rectangular triangle have?
No matter how a triangle is described it will always have just three sides.
How many sides dos a congurent triangle have?
A congruent triangle has three sides, just like any other triangle. The term "congruent" in this context means that the lengths of the sides of the triangle are equal to each other. So, regardless of whether a triangle is congruent or not, it will always have three sides.
Which triangle has exactly two equal sides?
An isosceles triangle has three sides, two of which are exactly equal in length.
Where is the circumference of an triangle?
There is no circumference of a triangle. If the perimeter of a triangle is what you are wondering about, it is different for each triangle. Just add the three sides together.
What are vertices of an isosceles triangle?
They are the points where pairs of sides come together, just as they are in any triangle.
