Answer:
C
Step-by-step explanation:
from sine rule, which is a/sinA = b/sinB = c/sinC where A+B+C = 180 and a, b and c is in front of the A, B,C angles respectively.
here we use x/sin90 = 46/sin70
since sin90 is 1, x=46/sin70 = 48.9521... ≈ 48.95
