Let be the length of the two sides that are the same.
Then the third side would be .
The perimeter of the triangle will come from adding all of the sides together and setting it equal to the value given, .
That is,
As for the answer, the question was cut short, but with ,
the length of each of the common sides is , making the third side
, to get a total perimeter of
.
The hypotenuse of a right-angled triangle is its longest side, the base is its lower side, and the perpendicular, which stands next to the right angle, is its standing line.
You may determine the sides of a right-angled triangle using a number of techniques, such as the Pythagoras theorem or the triangle's perimeter.
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