Answer:
144 degrees
Explanation:
To convert radians to degrees, multiply by
180/π, since a full circle is 360° or 2π radians.(4π/5) ⋅180°/ π
Cancel the common factor of π. 4/5 ⋅ 180
Cancel the common factor of 5. 4 ⋅ 36
Multiply 4 by 36.
144
Convert to a decimal. 144°