Register
A sector with an area of 11/2 pie cm has radius of 3 cm what is the central angle measure of a sector in degrees
121k views
4 votes
A sector with an area of 11/2 pie cm has radius of 3 cm what is the central angle measure of a sector in degrees

User Albert C Braun
by
7.5k points

2 Answers

3 votes
A= 1/360 m•pi r^2

11/2= 1/360 m• pi (3)^2

11/2= 1/360 m• pi • 9
Divide 360 by 9

11/2= 1/40 m pi

Cross multiply

440=2pi m

Divide both sides by 2pi

m= 70.02817 degrees round if necessary
User Akahunahi
by
7.6k points
4 votes

Answer:

220

Explanation:

User Jonas Lejon
by
7.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.5m questions

11.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!