Answer:
A. 33° B. 52° | A. 55° B. 97° C. 83°
Explanation:
triangle angles equal 180°
180 - (116 + 31) = 33° A
180 - (38 + 90) = 52° B
Problem 2.
28 + 53 = 81
180 - ( 81 + 44 ) = 55 A
180 - ( 55 + 28) = 97 B
180 - (53 + 44) = 83 C
( super sorry if it's wrong but I think this is right)