Here, you need to use your "Protractor" as it is given in the question, but we can calculate the value with the help of our mathematical calculation too: [ Protractor can be use only in real life, not here ]
Draw an imaginary line from initial position to final position. Now, In that triangle, tan x = P/B tan x = 1.4 / 2 tan x = 0.70 x = tan⁻¹ (0.70) x = 35 [ tan 35 = 0.70 ]