(15pts) Given the diagram: what is the area of the shaded sector corresponding to AB, rounded to two decimal places?

Answer:
Area of a Sector of Circle = (θ/360º) × πr²
[tex]area \: = \: \frac{70}{360} \times \frac{22}{7} \times 10 {}^{2} \\ = 61.11[/tex]
on rounding off to two decimal places:-