area of a shaded sector in a circle
Check the final answer first, then review the worked steps.
Problem
area of a shaded sector in a circle
Step-by-step solution
The area of the shaded sector is calculated using the formula: (angle/360) pi r^2. Given angle = 155 degrees and radius r = 8 cm, the area is (155/360) pi 8^2 = 86.9 cm^2.
Answer
$87 \text{ cm}^2$