Answer :

Answer:

-13.8 cm

Step-by-step explanation:

Use SohCahToa method for Sin, Cos, Tan

since this is a right triangle, your hypotenuse is given, 18

the side opposite of your angle 48 is h

so you can use the Sine=opposite/hypotenuse to get h

Sine(48)= h/18

multiple 18 on both sides

18Sine(48)=h, input in your calculator

=-13.8