BuyFind

Single Variable Calculus: Concepts...

4th Edition
James Stewart
Publisher: Cengage Learning
ISBN: 9781337687805
BuyFind

Single Variable Calculus: Concepts...

4th Edition
James Stewart
Publisher: Cengage Learning
ISBN: 9781337687805

Solutions

Chapter C, Problem 6E
To determine

To find: The length of the circular arc subtended by a central angle 72°

Expert Solution

Answer to Problem 6E

The length of the circular arc is 4π cm.

Explanation of Solution

The length of the circular disc is a=rθ where the radius r and θ is the central angle.

Here, it is given that θ=72(π180) rad and r=10 cm.

Substitute the value θ=72(π180) rad and r=10 cm in the formula a=rθ.

a=rθ=72(π180)(10)=7218π=4π

Thus, the length of the circular arc is 4π cm.

Have a homework question?

Subscribe to bartleby learn! Ask subject matter experts 30 homework questions each month. Plus, you’ll have access to millions of step-by-step textbook answers!