### Home > CALC > Chapter 12 > Lesson 12.1.1 > Problem 12-13

12-13.

**Multiple Choice:**The arclength of the cardioid given by*x*= 2 cos*t*− cos 2*t*and y = 2 sin*t*− sin 2*t*(0 ≤*t*≤ 2π) can be found by evaluating the integral: Homework Help ✎

12-13.

**Multiple Choice:**The arclength of the cardioid given by*x*= 2 cos*t*− cos 2*t*and y = 2 sin*t*− sin 2*t*(0 ≤*t*≤ 2π) can be found by evaluating the integral: Homework Help ✎