Circles and conic sections

Find the area of the sector.
Round your answer to the nearest tenth.

Find the area of the shaded region. Use 3.14 for π. Round to the nearest tenth.

What is the area of the white portion of the circle if you've found the area of the segment and A_segment = 14.68 m²

Find the area of the dark blue sector shown at the left. The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units. Express answer in terms of  $\Pi$  .   $7.85=2.5\Pi$  

 Determine the formula: $$A=\frac{\pi r^2\theta}{360}\ ;\theta=central\ angle$$

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer as an exact value

$$r\cdot\theta\$$ is the formula for .................................... of a circle.

Match the following formulas.

Find the area of the shaded sector.