Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

Find the area of a sector with a central angle of 160° and a diameter of 7.5 cm. Round to the nearest tenth. Thanks!

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

sector is a part of the circumference

OpenStudy (anonymous):

So first find the circumference

OpenStudy (anonymous):

after finding the circumference, multiply it by the ratio of angle 160/360

OpenStudy (anonymous):

I think I got 4/9 is that correct for the ratio?

OpenStudy (anonymous):

Yes

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (asadkarim7):

formula of sector area is theta / 360 x pi (Radius)^2 therefore 160/360 x pi ( 7.5/2) ^2 19.6 cm ^2

OpenStudy (anonymous):

Thanks guys!

Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!

Join our real-time social learning platform and learn together with your friends!

Latest Questions

Itzlizzy:
You have been asked to write an informative article on the importance of healthy eating for an elementary school newspaper.

2 hours ago
5 Replies
3 Medals

alexiaellis:
two large numbers of the fibonacci sequence are F(50)= 12,568,269,025 and F(51)= 20,365,011,074.

4 hours ago
1 Reply
1 Medal

YNWMelly:
Typically investors purchase stock from: a. A broker. b. A family member or friend.

8 hours ago
1 Reply
2 Medals

ikr2002:
Explain how special right triangles, reference angles, and quadrants of a coordinate grid help us find the exact answer to the following: cos 210u00b0.

8 hours ago
16 Replies
4 Medals

ikr2002:
If Ziggyu2019s Taco Shop delivers dinners with a mean time of 21 minutes and a standard deviation of 4 minutes and Sheilau2019s Burrito Emporium delivers di

9 hours ago
19 Replies
5 Medals

gababb09:
Why was Virginia more likely to trade with Massachusetts than Georgia? A.u00a0Virginia and Georgia produced similar crops.

10 hours ago
8 Replies
1 Medal

hhanan:
The Founding Fathers wrote in the Declaration of Independence about how the Briti

11 hours ago
0 Replies
0 Medals

hhanan:
It was not until the presidencies of Johnson and John F. Kennedy that Republicans

11 hours ago
0 Replies
0 Medals