The Sides:
(The square of the length of the shortest one)
plus
(the square of the length of the medium one)
is always equal to
(the square of the length of the longest one)
The Angles:
One of them is always 90 degrees.
The other two always add up to 90 degrees.
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The area
It is a scalene triangle other than a right angle triangle
No and indeed not any kind of triangle.
Nearly but not quite exactly because they don't comply with Pythagoras' theorem for a right angle triangle.
No. If the legs of a right triangle measure 12 and 68, then the hypotenuse measures just a bit over 69.
12,26,28
The area
No
It is a scalene triangle other than a right angle triangle
No and indeed not any kind of triangle.
A right angle triangle or an isosceles triangle.
To circumscribed a circle about a triangle you use the angle. This is to get the right measurements.
Yes.
Oh, that's a happy little question! To find out if those measurements make a right triangle, we can use the Pythagorean theorem. If the square of the longest side (the hypotenuse) is equal to the sum of the squares of the other two sides, then it's a right triangle. Let's calculate and see if these numbers create a beautiful right triangle on our canvas.
No because the measurements of a right angle triangle must comply with Pythagoras' theorem which is: a squared + b squared = c squared
Nearly but not quite exactly because they don't comply with Pythagoras' theorem for a right angle triangle.
No. If the legs of a right triangle measure 12 and 68, then the hypotenuse measures just a bit over 69.