the perimeter of a certain isosceles right triangle is 16 + 16根号2,what is the length of the hypotenuse of the triangle?
问题描述:
the perimeter of a certain isosceles right triangle is 16 + 16根号2,what is the length of the hypotenuse of the triangle?
选项是8,16,4根号2,8根号2,16根号2
我觉得是D啊,怎么想怎么不对
好像斜边我算成直角边了。知道了知道了
答
当然是16了,8平方加8平方不等于16根号2的平方,8根号2的平方加8根号2的平方等于16平方.