Answer: 
Step-by-step explanation:
By the Pythagorean theorem, the unknown side has length

Therefore,

It's letter c
multiply the coefficient then just add the degrees of each letter
Answer:Diameter
Step-by-step explanation:The diameter is how far away one point on a circle is from another point straight across on a circle.
Answer:
2.7
Step-by-step explanation:
ratios help
2.5 : 5.8 :: x : 6.2
2.5/5.8 = x/6.2
solve for x :
x = approx. 2.7