I'll do this one. How about you make a stab at the others?
In every case, draw a diagram, and think of your basic trig functions. Show your work if you get stuck.
w/225 = tan48°20”
now finish it off
To find the width of a river, a surveyor set up his surveying equipment
at C on one bank and sighted across to a point B on the opposite bank;
then, turning through an angle of 90deg, he laid off a distance CA=225
m. Finally, setting the equipment at A, he measured angle CAB as
48°20”. Find the width of the river. Provide an Illustration
1 answer