Question

The complement of 72:40' is
A. 107:20' B. 27:20’ C. 17:20' D. 12:40’​

Answer 1

Answer:

Complement of 72° 40' = (90°-72° 40') =17° 20'.

Answer 2

Answer:

17°20

Solution:

As we know that sum of two complementary – angles is 90°.

So, x + y = 90°

72°40’ + y= 90

y = 90° – 72°40’

y = 17°20’