Register
In a circle a central angle of 80 degree has an opposite arc with length of 100 pi feet. find the length of radius
66.8k views
1 vote
In a circle a central angle of 80 degree has an opposite arc with length of 100 pi feet. find the length of radius

User Yerachmiel
by
8.0k points

1 Answer

4 votes
we know that

length of a sector=(∅/360°)*2*pi*r--------> when ∅ is in degree
r=[360°*length of a sector]/[∅*2*pi]

in this problem
∅=80°
length of a sector=100*pi ft

r=[360°*100*pi]/[80°*2*pi]-----> 225 ft

the answer is
225 ft

User Rojoca
by
8.5k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
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
Link Copied!