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Depends on whether you're talking about finding just one miscellaneous side of a triange...u just use PYTHAGORA's THEOREM: a^2 + b^2 = c^2 U get find b or a aswell by reversing the theroem HENCE: b^2 = c^2 - a^2 Remember c is the hypotenuse and the a and b are the other two sides (adjacent and opposite) To find the area: that's a different question and rite now i have to go teach my YEAR 12 students... CYA =============================== The way to find the perimeter of a triangle is the same as the way to find the perimeter of any other figure: add together the lengths of all the sides.

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Q: What is the formula for perimeter of triangle?
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