A farmer has a 210 plank of pine that is 77.10 feet long. Howcertain are you tha

A farmer has a 210 plank of pine that is 77.10 feet long. Howcertain are you that he can use it to cross the stream below if heneeds half a meter of plank on both banks? (You should leave youranswer as a percentage.) His only measurement tools were two metersticks and he made the measurements below. X1 = 55.0 + 0.5 m X2 =100 + 1 cm Y2 = 40 + 1 cm