Answer: The answer is D, obtuse angles must be larger than 90 degrees
Answer:
55.5000143456...
Step-by-step explanation:
Use the formula for the area of a circle and solve for r:

3.420 times 10 to the 6th power will equal 3,420,000
The formula for the midpoint of a line segment:

where x₁, y₁ - the coordinates of one endpoint; x₂, y₂ - the coordinates of the other endpoint