Answer:
a=170
Step-by-step explanation:
180-6=174mil
round to 170.
4.9 (rounded)
a^2 + 1^2 = 5^2
a^2 + 1 = 25
- 1 - 1
= a^2 = 24
[tex]\sqrt{a^2 = 24}[/tex] = 4.9 (rounded)
