PLEASE HELP! how do you find Angle B, Angle C and length of A?

PLEASE HELP How Do You Find Angle B Angle C And Length Of A class=

Answer :

The total of angle measures in a triangle add up to 180 so take subtract 115 from 180 which = 32.5 so that’s the angles measures to C and B. the length of A is 42+53 which equals 95. So your answers are 32.5 and 95!!