Radians And Sectors And Arc Length

Question 1

To convert from degrees to radians

Answer 1

Multiply by pi/180

Question 2

To convert from radians to degrees

Answer 2

Multiply by 180/pi

Question 3

180 degrees is equivalent to what in degrees

Answer 3

Pi

Question 4

360 degrees is equivalent to what in radians

Answer 4

2pi

Question 5

What is the equation to calculate the arc length with radius r, angle in radians.

Answer 5

Radius x angle in radians

Question 6

What is the equation to calculate the area of a sector with radius r , and angle in radians

Answer 6

1/2 x (radius)squared x angle in radians