Rewriting a number in DMS form to decimal form

The video tutorial explains the conversion between radians and degrees, and between degrees and DMS (degrees, minutes, seconds). It covers the mathematical operations needed for these conversions, including multiplication and division, and demonstrates how to calculate total degrees from DMS by dividing and rounding the results.

What is the conversion factor used to change radians to degrees?

• Multiply by 180 / π

• Multiply by π / 180

• Divide by π

• Divide by 180

When converting degrees to DMS, what operation is primarily used?

• Addition

• Multiplication

• Subtraction

• Division

How many minutes are there in one degree?

• 90

• 60

• 45

• 30

How many seconds are there in one degree?

• 1800

• 600

• 3600

• 1200

What is the approximate degree value when converting 13 degrees, 8 minutes, and 20 seconds to decimal degrees?

• 13.137

• 13.140

• 13.138

• 13.139