sector area = 1/2 R^2 * central angle
54 PI = 1/2 * 81 * central angle
108 * PI/81 = central angle
(using PI = 3.14)
4.19 = central angle
Angelique R.
asked • 03/03/21A sector with an area of 54 pi cm2 has a radius of 9 cm What is the central angle measure of the sector in radians?
More
1 Expert Answer
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.
Angelique R.
thank you so much for you help!!!03/03/21