Given isosceles JKL with base Jl, find each value

If m<JKM=48, then m<J= 42 because if the top angle is 48 and the bottom angle is 90[because of the bisector] then by the triangle sum theorem: 180-(48+90)= 42

If m<J=55, then m<JKM=35 because again you use the triangle sum 180-(55+90)=35 IF THIS HELPS PLEASE COMMENT ME!

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