Trigonometry

Use trigonometry to find the opposite side in the triangle below. You have been given the adjacent side and an angle.

Cover up the information you have, and the information you are trying to find in the working triangles above. 

Use tangent because there are 3 circles in the tangent triangle. 

Cover up the O because you are trying to find the opposite.

This means that you have to multiply the adjacent by the tangent of 17°