Towns A and C are connected by a straight highway which is 60 miles long. The straight-line distance between town A and town B is 50 miles, and the straight-line distance from town B to town C is 50 miles. How many miles is it from town B to the point on the highway connecting towns A and C which is closest to town B?

Correct Answer: 40
Triangle ABC এর height, B এর সাপেক্ষে = root over BC2 - (AC/2)2 = root over 50*50 - 30*3 = 40