Question

Help in this sum...
Need to find 'd'

Answer 1

Answer:

$in \: small \: triangle \: with \: hypotenuse\: 18m \: \\ we \: can \:write \sin(28) = \frac{opp}{hyp} = \frac{h}{18} \\ h = 18 \sin(28) = 8.45 \\ base \: of \: triangle \: = 18 \cos(28) = 15.89$