math
posted by mbongeni on .
a boy travels in a boat at an angle of 20 degrees to the river bank.if he travels 200m before reaching the opposite bank,calculate the width of the river

sin 20 = w/200
w = 200 sin 20 
68.40402867
posted by mbongeni on .
a boy travels in a boat at an angle of 20 degrees to the river bank.if he travels 200m before reaching the opposite bank,calculate the width of the river
sin 20 = w/200
w = 200 sin 20
68.40402867