The scientist can use only the angle x and the distance y to calculate the distance between the Earth and the Sun using the cosine function.
cos x = BC / y
Solving for BC
BC = y cos x
BC is the distance between the Earth and the Sun :D
5530 mm is 553 cm and 5.53 m.
Answer:
3/4 × 12/1
3×12/4×1
36/4
9