Question

Two angles of a triangle are in the ratio 2 :3 and its third angle is 120 degree, find the other two angles of the triangle​

Answer 1

To determine the supplement,

subtract the given angle from 180.

For example,

180 - 43 = 137° The supplement of 43° is 137°.

To determine the complement,

subtract the given angle from 90.

For example,

90 - 43 = 47° The complement of 43° is 47°.