DAT Review Questions (Dental Admissions)

Answer: A - 75.2228° is equal to75°13’22” in degrees, minutes and seconds.

Solution

One minute is defined as 1/60 of a degree (1° = 60 minutes)

One second is defined as 1/60 of a minute (one minute = 60 seconds)

Therefore, 1° = (60 minutes per degree) (60 seconds per minute) = 3600 seconds

1. Convert the decimal part of the angle reading (0.2228°) to minutes:

(0.2228°)(60 minutes per degree) = 13.368 minutes

2. Convert the decimal part of 13.368 minutes to seconds:

(0.368 minutes) (60 seconds per minute) = 22 seconds

3. Add together to obtain DMS 75°13’22”