Answer:
neither
Step-by-step explanation:
complementary means the angles should add up to 90∘ but here in this case they add up to 190.
Supplementary means the angles add up to 180∘ but again in this case they don't.
which means the answer only has one choice.
Also another method could be
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1 ton=2,000 pounds. so 40,000 divided by 2,000 equals 20. That means that 20 tons are in 40,000 pounds. :)
Answer:
A 16 pi in^2
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
We need the radius
r = d/2
r = 8/2 =4
A = pi (4)^2
A = 16 pi