posted by Jen .
Find the perimeter and area of a right triangle if the shortest side is 20 mm. and the longest side is 52 mm.
Longest side is hypotenuse. Use Pythagorean theorem.
20^2 + x^2 = 52^2
Solve for x and add the three sides for perimeter.
Area of triangle = 1/2 20x = 10x = ?