Answer:
Step-by-step explanation:
L=®/3602πr
L=20/360×2×3.14×3
L=1.04
the calculation is included. I hope its self explanatory
-8 ≤w ≤-2
Range=±7%
Martin=71%, Lang=29%
Range for Martin=71%±7%
So, highest %=71%+7%=78%
Lowest %=71%-7%=64%
Therefore,range for Martin is between 64%-78% which is 14%
