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hypotenuse
right triangle
hypotenuse
That is it. Just the hypotenuse - provided you have the correct triangle.
That is the height of the triangle, the h in the formula a = 0.5b x h
right triangle
right triangle
hypotenuse
right triangle
That is correct
hypotenuse, hypotenuse
Yes and in effect you are using Pythagoras' theorem for a right angle triangle.
I'm pretty sure it's a right triangle I'm not sure though. Ask your teacher
Use the distance formula to calculate the distances between the three vertices. If they are all different, the triangle is scalene, if only two are the same, the triangle is isosceles, and if they are all the same, the triangle is equilateral.
The hypotenuse
hypotenuse
Its hypotenuse