Practice!

Sample Problem

Convert 8°45’30” to decimal degree form. Round your answer to four decimal places.

°

Solution

Keep the 8° part and find 45 minutes and 30 seconds in decimal degree form.

1’= one minute = 1/60(1°)

1’’= one second = 1/3600(1°)

(45’/60)(1°)=0.75°

(30’’/3600)(1°) =0.008333°

8°+0.75°+0.008333°=8.7583