Pre calc unit 3 Learn how to find the missing radius given arc length and theta in degrees

The video tutorial explains how to convert angles from degrees to radians and solve for the radius using given values. It emphasizes the importance of using radians in calculations and demonstrates the process of converting 150 degrees to radians. The tutorial also covers solving for the radius by manipulating the formula and provides guidance on leaving answers in terms of π.

What is the initial value of Theta given in the problem?

• 108 degrees

• 150 degrees

• 5π/6 radians

• 6/π radians

How do you convert 150 degrees to radians?

• Multiply by 108/π

• Multiply by π/108

• Multiply by 180/π

• Multiply by π/180

What is the simplified form of 150 degrees in radians?

• 15π/18

• 5π/6

• π/2

• π/3

What operation is needed to solve for R when given a fraction?

• Multiply by the reciprocal of the fraction

• Add the fraction to both sides

• Subtract the fraction from both sides

• Divide by the fraction

What is the final expression for R in terms of π?

• π/5

• 5π/6

• π/6

• 6/π