A right-angled triangle and two
equations are shown below. All lengths
are given in metres.
a) Which equation is correct: equation
A or equation B?
b) Use the correct equation from
part a) to calculate the length w.
Give your answer in metres to 1 d.p.
4.1
65°
W
A sin 65° =
=
B sin 65° =
W
4.1
4.1
W