Answer:
12 months
Step-by-step explanation:
mental math
2√2
< C = 180-15-45 = 120°
AC/sin 45° = AB/sin 120°
AC = 2√3 × sin 45° / sin 120°
= 2√3 × ½√2 / ½√3
= 2√2
6300
253 is closer to 300 than to 200