human
Largest triangle that can be inscribed in a semicircle | Function to find the area of the triangle.
the radius cannot be negative.
area of the triangle.
Driver Code"
Solution in Python:

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Give me a code to largest triangle that can be inscribed in a semicircle and the other steps required?
assistant
#Here is code to largest triangle that can be inscribed in a semicircle and the other steps required.
 def trianglearea ( r ) :
	if r < 0 :
		return - 1
	return r * r
if __name__ == " _ _ main _ _ " :
	r = 5
	print ( trianglearea ( r ) )